Michael Schimmel
624 lines
27 KiB
ObjectPascal
624 lines
27 KiB
ObjectPascal
unit TestDataTypes;
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interface
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uses
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DUnitX.TestFramework;
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type
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[TestFixture]
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[IgnoreMemoryLeaks]
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TMyTestObject = class
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public
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[TestFixtureTearDown]
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procedure FixtureTearDown;
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[Test]
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procedure TestRecords;
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[Test]
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procedure TestRecords_Generic;
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[Test]
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procedure TestTuples;
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[Test]
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procedure TestTuples_Generic;
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[Test]
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procedure TestArrays;
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[Test]
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procedure TestArrays_OptimizedAndGeneric;
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[Test]
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procedure TestTexts;
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[Test]
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procedure TestTexts_OptimizedEmpty;
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[Test]
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procedure TestFloats_OptimizedAndGeneric;
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[Test]
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procedure TestTimestamps;
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[Test]
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procedure TestEnums;
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[Test]
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procedure TestAsString;
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[Test]
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procedure TestAsTValue;
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end;
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implementation
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uses
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System.SysUtils,
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System.Math,
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System.Rtti,
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System.TypInfo,
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Myc.Data.Types;
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{ TMyTestObject }
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procedure TMyTestObject.FixtureTearDown;
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begin
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// Clear global type caches to release any interfaces created during tests.
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// This prevents access violations on shutdown from dangling pointers in the registries.
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TDataType.ClearRegistries;
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end;
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procedure TMyTestObject.TestRecords;
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var
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intType: IDataType;
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floatType: IDataType;
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personType1, personType2, otherType: IDataRecordType;
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personValue: IDataValue;
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idValue: IDataOrdinalValue;
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floatValue: IDataFloatValue;
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begin
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// This test covers the optimized implementation for 2 fields.
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// --- 1. Setup: Define base types and a record structure ---
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intType := TDataType.Ordinal;
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floatType := TDataType.Float;
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// --- 2. Test Type Creation and Caching ---
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personType1 := TDataType.RecordOf([TRecordField.Create('ID', intType), TRecordField.Create('Value', floatType)]);
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// Assertions for the created type
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Assert.IsNotNull(personType1, 'RecordType should be created');
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Assert.AreEqual(2, personType1.FieldCount, 'FieldCount should be 2');
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Assert.AreEqual('ID', personType1.Fields[0].Name, 'First field name should be ID');
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Assert.AreSame(intType, personType1.Fields[0].DataType, 'First field type should be Integer');
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Assert.AreEqual('Value', personType1.Fields[1].Name, 'Second field name should be Value');
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Assert.AreSame(floatType, personType1.Fields[1].DataType, 'Second field type should be Float');
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Assert.AreEqual(0, personType1.IndexOf('ID'), 'IndexOf ID should be 0');
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Assert.AreEqual(1, personType1.IndexOf('Value'), 'IndexOf Value should be 1');
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Assert.AreEqual('Record<ID: Integer, Value: Float>', personType1.Name, 'Type name should match expected format');
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// Test if the same definition returns the same cached instance
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personType2 := TDataType.RecordOf([TRecordField.Create('ID', intType), TRecordField.Create('Value', floatType)]);
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Assert.AreSame(personType1, personType2, 'Types should be cached and return the same instance');
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// Test if a different definition returns a new instance
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otherType := TDataType.RecordOf([TRecordField.Create('ID', intType), TRecordField.Create('Data', floatType)]);
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Assert.AreNotSame(personType1, otherType, 'Different definitions should result in different types');
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// --- 3. Test Value Creation and Access ---
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personValue := personType1.CreateValue([TDataValue.FromOrdinal(123), TDataValue.FromFloat(45.67)]);
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Assert.IsNotNull(TDataValue(personValue).AsRecord, 'RecordValue should be created');
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Assert.AreSame(personType1, TDataValue(personValue).DataType, 'Value should have the correct data type');
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// Access by index
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idValue := TDataValue(TDataValue(personValue).AsRecord.Items[0]).AsOrdinal;
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Assert.AreEqual(Int64(123), idValue.Value, 'Value at index 0 is incorrect');
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floatValue := TDataValue(TDataValue(personValue).AsRecord.Items[1]).AsFloat;
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Assert.AreEqual(45.67, floatValue.Value, 'Value at index 1 is incorrect');
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// Access by name
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floatValue := TDataValue(TDataValue(personValue).AsRecord.Items[personType1.IndexOf('Value')]).AsFloat;
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Assert.AreEqual(45.67, floatValue.Value, 'Value accessed by name is incorrect');
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// --- 4. Test Validation and Error Handling ---
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// Test for duplicate field names during type creation
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Assert.WillRaise(
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procedure begin TDataType.RecordOf([TRecordField.Create('ID', intType), TRecordField.Create('ID', floatType)]); end,
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EArgumentException,
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'Duplicate field names should raise an exception'
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);
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// Test for wrong number of items during value creation
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Assert.WillRaise(
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procedure begin personType1.CreateValue([TDataValue.FromOrdinal(99)]); end,
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EArgumentException,
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'Wrong number of items should raise exception'
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);
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// Test for wrong item type during value creation
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Assert.WillRaise(
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procedure
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begin
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// Passing Float instead of Integer for the first item
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personType1.CreateValue([TDataValue.FromFloat(1.0), TDataValue.FromFloat(2.0)]);
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end,
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EArgumentException,
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'Wrong item type should raise exception'
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);
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end;
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procedure TMyTestObject.TestRecords_Generic;
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var
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dataType: IDataRecordType;
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dataValue: IDataRecordValue;
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begin
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// Test the generic implementation for records with > 2 fields.
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dataType :=
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TDataType.RecordOf(
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[
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TRecordField.Create('A', TDataType.Ordinal),
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TRecordField.Create('B', TDataType.Text),
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TRecordField.Create('C', TDataType.Float)
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]
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);
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dataValue := dataType.CreateValue([TDataValue.FromOrdinal(1), TDataValue.FromText('two'), TDataValue.FromFloat(3.0)]);
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Assert.IsNotNull(dataValue, 'Generic record value should be created');
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Assert.AreEqual(3, dataType.FieldCount, 'Generic record should have 3 fields');
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Assert.AreEqual(Int64(1), TDataValue(dataValue.Items[0]).AsOrdinal.Value, 'Field A is incorrect');
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Assert.AreEqual('two', TDataValue(dataValue.Items[1]).AsText.Value, 'Field B is incorrect');
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Assert.AreEqual(3.0, TDataValue(dataValue.Items[2]).AsFloat.Value, 'Field C is incorrect');
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Assert.AreEqual('<A: 1, B: two, C: 3>', dataValue.AsString, 'Generic record AsString is incorrect');
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end;
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procedure TMyTestObject.TestTuples;
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var
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intValue: IDataValue;
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floatValue: IDataValue;
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tuple1, tuple2, tuple3: IDataTupleValue;
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type1, type2, type3: IDataType;
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begin
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// This test covers optimized implementations for 1 and 2 elements.
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// --- 1. Setup: Create some values ---
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intValue := TDataValue.FromOrdinal(123);
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floatValue := TDataValue.FromFloat(45.67);
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// --- 2. Test Value Creation and basic properties ---
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tuple1 := TDataValue.FromTuple([intValue, floatValue]);
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Assert.IsNotNull(tuple1, 'Tuple value should be created');
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Assert.AreEqual(2, TDataValue(tuple1).AsTuple.ItemCount, 'ItemCount should be on the value');
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Assert.AreSame(intValue, TDataValue(tuple1).AsTuple.Items[0], 'Item at index 0 is incorrect');
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Assert.AreSame(floatValue, TDataValue(tuple1).AsTuple.Items[1], 'Item at index 1 is incorrect');
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// --- 3. Test Singleton Type Behavior ---
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// Create more tuples with different structures
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tuple2 := TDataValue.FromTuple([TDataValue.FromOrdinal(99), TDataValue.FromFloat(1.1)]);
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tuple3 := TDataValue.FromTuple([intValue]);
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// Access the DataType via the underlying interface
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type1 := tuple1.DataType;
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type2 := tuple2.DataType;
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type3 := tuple3.DataType;
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Assert.IsNotNull(type1, 'DataType interface should be accessible');
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Assert.AreEqual('Tuple', type1.Name, 'The type name for all tuples should be Tuple');
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// The core test: All tuples, regardless of their content, must share the exact same singleton type object.
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Assert.AreSame(type1, type2, 'All tuple types should be the same singleton instance');
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Assert.AreSame(type1, type3, 'All tuple types should be the same singleton instance');
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end;
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procedure TMyTestObject.TestTuples_Generic;
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var
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tupleValue: IDataTupleValue;
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begin
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// Test the generic implementation for tuples with > 5 elements.
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tupleValue :=
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TDataValue.FromTuple(
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[
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TDataValue.FromOrdinal(1),
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TDataValue.FromOrdinal(2),
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TDataValue.FromOrdinal(3),
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TDataValue.FromOrdinal(4),
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TDataValue.FromOrdinal(5),
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TDataValue.FromOrdinal(6)
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]
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);
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Assert.IsNotNull(tupleValue, 'Generic tuple value should be created');
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Assert.AreEqual(6, tupleValue.ItemCount, 'Generic tuple should have 6 items');
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Assert.AreEqual(Int64(6), TDataValue(tupleValue.Items[5]).AsOrdinal.Value, 'Last item is incorrect');
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Assert.AreEqual('(1, 2, 3, 4, 5, 6)', tupleValue.AsString, 'Generic tuple AsString is incorrect');
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end;
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procedure TMyTestObject.TestArrays;
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var
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intType: IDataType;
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floatType: IDataType;
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intArrayType1, intArrayType2, floatArrayType: IDataArrayType;
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arrayValue: IDataArrayValue;
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v1, v2: IDataValue;
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begin
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// --- 1. Setup ---
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intType := TDataType.Ordinal;
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floatType := TDataType.Float;
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// --- 2. Test Type Creation and Caching ---
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intArrayType1 := TDataType.ArrayOfType(intType);
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Assert.IsNotNull(intArrayType1, 'ArrayType should be created');
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Assert.AreSame(intType, intArrayType1.ElementType, 'ElementType should be Integer');
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Assert.AreEqual('Array<Integer>', intArrayType1.Name, 'Type name should be Array<Integer>');
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// Test caching
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intArrayType2 := TDataType.ArrayOfType(intType);
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Assert.AreSame(intArrayType1, intArrayType2, 'Array types should be cached');
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// Test uniqueness
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floatArrayType := TDataType.ArrayOfType(floatType);
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Assert.AreNotSame(intArrayType1, floatArrayType, 'Different element types should result in different array types');
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Assert.AreEqual('Array<Float>', floatArrayType.Name, 'Type name should be Array<Float>');
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// --- 3. Test Value Creation and Access ---
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v1 := TDataValue.FromOrdinal(10);
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v2 := TDataValue.FromOrdinal(20);
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arrayValue := intArrayType1.CreateValue([v1, v2]);
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Assert.IsNotNull(arrayValue, 'ArrayValue should be created');
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Assert.AreEqual(2, TDataValue(arrayValue).AsArray.ElementCount, 'ElementCount should be 2');
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// Access items and check values
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Assert.AreEqual(Int64(10), TDataValue(TDataValue(arrayValue).AsArray.Items[0]).AsOrdinal.Value, 'Item at index 0 is incorrect');
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Assert.AreEqual(Int64(20), TDataValue(TDataValue(arrayValue).AsArray.Items[1]).AsOrdinal.Value, 'Item at index 1 is incorrect');
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// --- 4. Test Validation and Error Handling ---
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// Test creating an array with a nil element type
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Assert.WillRaise(procedure begin TDataType.ArrayOfType(nil); end, EArgumentException, 'Nil element type should raise an exception');
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// Test creating a value with an incorrect element type (homogeneity check)
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Assert.WillRaise(
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procedure
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begin
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// Try to add a float value to an Array<Integer>
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intArrayType1.CreateValue([v1, TDataValue.FromFloat(3.14)]);
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end,
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EArgumentException,
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'Wrong element type should raise an exception'
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);
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end;
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procedure TMyTestObject.TestArrays_OptimizedAndGeneric;
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var
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arrayType: IDataArrayType;
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empty1, empty2, single, generic: IDataArrayValue;
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begin
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arrayType := TDataType.ArrayOfType(TDataType.Ordinal);
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// Test optimized path for 0 elements (cached singleton per type)
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empty1 := arrayType.CreateValue([]);
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empty2 := arrayType.CreateValue([]);
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Assert.IsNotNull(empty1, 'Empty array value should be created');
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Assert.AreSame(empty1, empty2, 'Empty array value should be cached and reused');
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Assert.AreEqual(0, empty1.ElementCount, 'Empty array should have 0 elements');
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Assert.AreEqual('[]', empty1.AsString, 'Empty array AsString is incorrect');
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// Test optimized path for 1 element
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single := arrayType.CreateValue([TDataValue.FromOrdinal(42)]);
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Assert.IsNotNull(single, 'Single element array should be created');
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Assert.AreEqual(1, single.ElementCount, 'Single element array should have 1 element');
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Assert.AreEqual(Int64(42), TDataValue(single.Items[0]).AsOrdinal.Value, 'Single element value is incorrect');
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Assert.AreEqual('[42]', single.AsString, 'Single element array AsString is incorrect');
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// Test generic path for > 1 elements
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generic := arrayType.CreateValue([TDataValue.FromOrdinal(1), TDataValue.FromOrdinal(2), TDataValue.FromOrdinal(3)]);
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Assert.IsNotNull(generic, 'Generic array should be created');
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Assert.AreEqual(3, generic.ElementCount, 'Generic array should have 3 elements');
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Assert.AreEqual('[1, 2, 3]', generic.AsString, 'Generic array AsString is incorrect');
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end;
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procedure TMyTestObject.TestTexts;
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var
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textType: IDataTextType;
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textValue1, textValue2: IDataTextValue;
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dataValue: IDataValue;
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begin
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// --- 1. Test Type Creation ---
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textType := TDataType.Text;
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Assert.IsNotNull(textType, 'TextType should be created');
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Assert.AreEqual('Text', textType.Name, 'Type name should be Text');
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Assert.AreEqual(dkText, textType.Kind, 'Type kind should be dkText');
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// --- 2. Test Value Creation and Access ---
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textValue1 := TDataValue.FromText('Hello World');
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Assert.IsNotNull(textValue1, 'TextValue should be created');
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Assert.AreSame(textType, textValue1.DataType, 'Value should have the correct data type');
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Assert.AreEqual('Hello World', textValue1.Value, 'Value should be ''Hello World''');
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// Test another text value
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textValue2 := TDataValue.FromText('Delphi');
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Assert.AreEqual('Delphi', textValue2.Value, 'Value should be ''Delphi''');
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// --- 3. Test AsText casting ---
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dataValue := TDataValue.FromText('Test Text');
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Assert.AreEqual('Test Text', TDataValue(dataValue).AsText.Value, 'AsText should return correct value');
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// Test invalid cast
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dataValue := TDataValue.FromOrdinal(123);
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Assert
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.WillRaise(procedure begin TDataValue(dataValue).AsText; end, EInvalidCast, 'Casting non-text to AsText should raise EInvalidCast');
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end;
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procedure TMyTestObject.TestTexts_OptimizedEmpty;
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var
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empty1, empty2: IDataTextValue;
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begin
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// Test the singleton implementation for the empty string.
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empty1 := TDataValue.FromText('');
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empty2 := TDataValue.FromText('');
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Assert.IsNotNull(empty1, 'Empty text value should be created');
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Assert.AreSame(empty1, empty2, 'Empty text value should be a singleton');
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Assert.AreEqual('', empty1.Value, 'Value of empty text should be empty');
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Assert.AreEqual('', empty1.AsString, 'AsString of empty text should be empty');
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end;
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procedure TMyTestObject.TestFloats_OptimizedAndGeneric;
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var
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zero1, zero2, nan1, nan2, generic: IDataFloatValue;
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begin
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// Test singleton for 0.0
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zero1 := TDataValue.FromFloat(0.0);
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zero2 := TDataValue.FromFloat(0.0);
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Assert.IsNotNull(zero1, 'Zero float should be created');
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Assert.AreSame(zero1, zero2, 'Zero float should be a singleton');
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Assert.AreEqual(0.0, zero1.Value, 'Value of zero float is incorrect');
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// Test singleton for NaN
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nan1 := TDataValue.FromFloat(NaN);
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nan2 := TDataValue.FromFloat(NaN);
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Assert.IsNotNull(nan1, 'NaN float should be created');
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Assert.AreSame(nan1, nan2, 'NaN float should be a singleton');
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Assert.IsTrue(IsNaN(nan1.Value), 'Value of NaN float should be NaN');
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Assert.AreEqual('NaN', nan1.AsString, 'NaN AsString is incorrect');
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// Test generic path
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generic := TDataValue.FromFloat(123.45);
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Assert.IsNotNull(generic, 'Generic float should be created');
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Assert.AreNotSame(zero1, generic, 'Generic float should not be the zero singleton');
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Assert.AreNotSame(nan1, generic, 'Generic float should not be the NaN singleton');
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Assert.AreEqual(123.45, generic.Value, 'Value of generic float is incorrect');
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end;
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procedure TMyTestObject.TestTimestamps;
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var
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tsType: IDataTimestampType;
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tsValue1, tsValue2: IDataTimestampValue;
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dataValue: IDataValue;
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now: TDateTime;
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begin
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// --- 1. Test Type Creation ---
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tsType := TDataType.Timestamp;
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Assert.IsNotNull(tsType, 'TimestampType should be created');
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Assert.AreEqual('Timestamp', tsType.Name, 'Type name should be Timestamp');
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Assert.AreEqual(dkTimestamp, tsType.Kind, 'Type kind should be dkTimestamp');
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// --- 2. Test Value Creation and Access ---
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now := System.Sysutils.Now;
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tsValue1 := TDataValue.FromTimestamp(now);
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Assert.IsNotNull(tsValue1, 'TimestampValue should be created');
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Assert.AreSame(tsType, tsValue1.DataType, 'Value should have the correct data type');
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Assert.AreEqual(now, tsValue1.Value, 'Value should be the same');
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// Test another text value
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tsValue2 := TDataValue.FromTimestamp(Date);
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Assert.AreEqual(Date, tsValue2.Value, 'Value should be the same');
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// --- 3. Test AsTimestamp casting ---
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dataValue := TDataValue.FromTimestamp(now);
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Assert.AreEqual(now, TDataValue(dataValue).AsTimestamp.Value, 'AsTimestamp should return correct value');
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// Test invalid cast
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dataValue := TDataValue.FromOrdinal(123);
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Assert.WillRaise(
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procedure begin TDataValue(dataValue).AsTimestamp; end,
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EInvalidCast,
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'Casting non-timestamp to AsTimestamp should raise EInvalidCast'
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);
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end;
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procedure TMyTestObject.TestEnums;
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var
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colorType: IDataEnumType;
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red, green, blue: IDataEnumValue;
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begin
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// --- 1. Test Type Creation ---
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colorType := TDataType.EnumOf('Color', ['Red', 'Green', 'Blue']);
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Assert.IsNotNull(colorType, 'EnumType should be created');
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Assert.AreEqual('Color', colorType.Name, 'Name should be Color');
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Assert.AreEqual(dkEnum, colorType.Kind, 'Kind should be dkEnum');
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Assert.AreEqual(3, colorType.IdentifierCount, 'IdentifierCount should be 3');
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Assert.AreEqual('Red', colorType.Identifiers[0], 'Identifier at index 0 should be Red');
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Assert.AreEqual('Green', colorType.Identifiers[1], 'Identifier at index 1 should be Green');
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Assert.AreEqual('Blue', colorType.Identifiers[2], 'Identifier at index 2 should be Blue');
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Assert.AreEqual(1, colorType.IndexOf('Green'), 'IndexOf Green should be 1');
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Assert.AreEqual(-1, colorType.IndexOf('Yellow'), 'IndexOf Yellow should be -1');
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// --- 2. Test Value Creation and Access ---
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red := colorType.CreateValue(0);
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green := colorType.CreateValue('Green');
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blue := TDataValue(colorType.CreateValue(2)).AsEnum;
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Assert.IsNotNull(red, 'EnumValue from index should be created');
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Assert.AreSame(colorType, red.DataType, 'Red should have the correct data type');
|
|
Assert.AreEqual(0, red.Value, 'Value of Red should be 0');
|
|
Assert.AreEqual('Red', red.AsString, 'AsText of Red should be Red');
|
|
|
|
Assert.IsNotNull(green, 'EnumValue from identifier should be created');
|
|
Assert.AreSame(colorType, green.DataType, 'Green should have the correct data type');
|
|
Assert.AreEqual(1, green.Value, 'Value of Green should be 1');
|
|
Assert.AreEqual('Green', green.AsString, 'AsText of Green should be Green');
|
|
|
|
Assert.AreEqual(2, blue.Value, 'Value of Blue should be 2');
|
|
|
|
// --- 3. Test Validation and Error Handling ---
|
|
// Test creating a type with duplicate identifiers
|
|
Assert.WillRaise(
|
|
procedure begin TDataType.EnumOf('Fails', ['A', 'B', 'A']); end,
|
|
EArgumentException,
|
|
'Duplicate identifiers should raise an exception'
|
|
);
|
|
|
|
// Test creating a value with an invalid index
|
|
Assert.WillRaise(procedure begin colorType.CreateValue(3); end, EArgumentException, 'Invalid index should raise an exception');
|
|
Assert.WillRaise(procedure begin colorType.CreateValue(-1); end, EArgumentException, 'Negative index should raise an exception');
|
|
|
|
// Test creating a value with an unknown identifier
|
|
Assert.WillRaise(
|
|
procedure begin colorType.CreateValue('Yellow'); end,
|
|
EArgumentException,
|
|
'Unknown identifier should raise an exception'
|
|
);
|
|
end;
|
|
|
|
procedure TMyTestObject.TestAsString;
|
|
var
|
|
ordinalValue: IDataOrdinalValue;
|
|
floatValue: IDataFloatValue;
|
|
textValue: IDataTextValue;
|
|
tsValue: IDataTimestampValue;
|
|
enumValue: IDataEnumValue;
|
|
arrayValue: IDataArrayValue;
|
|
recordValue: IDataRecordValue;
|
|
tupleValue: IDataTupleValue;
|
|
colorType: IDataEnumType;
|
|
personType: IDataRecordType;
|
|
intArrayType: IDataArrayType;
|
|
now: TDateTime;
|
|
begin
|
|
// Ordinal
|
|
ordinalValue := TDataValue.FromOrdinal(123);
|
|
Assert.AreEqual('123', ordinalValue.AsString, 'Ordinal AsString incorrect');
|
|
|
|
// Float
|
|
floatValue := TDataValue.FromFloat(45.67);
|
|
Assert.AreEqual(FloatToStr(45.67), floatValue.AsString, 'Float AsString incorrect');
|
|
|
|
// Text
|
|
textValue := TDataValue.FromText('Hello');
|
|
Assert.AreEqual('Hello', textValue.AsString, 'Text AsString incorrect');
|
|
|
|
// Timestamp
|
|
now := System.Sysutils.Now;
|
|
tsValue := TDataValue.FromTimestamp(now);
|
|
Assert.AreEqual(DateTimeToStr(now), tsValue.AsString, 'Timestamp AsString incorrect');
|
|
|
|
// Enum
|
|
colorType := TDataType.EnumOf('Color', ['Red', 'Green', 'Blue']);
|
|
enumValue := colorType.CreateValue('Green');
|
|
Assert.AreEqual('Green', enumValue.AsString, 'Enum AsString incorrect');
|
|
|
|
// Array
|
|
intArrayType := TDataType.ArrayOfType(TDataType.Ordinal);
|
|
arrayValue := intArrayType.CreateValue([TDataValue.FromOrdinal(1), TDataValue.FromOrdinal(2)]);
|
|
Assert.AreEqual('[1, 2]', arrayValue.AsString, 'Array AsString incorrect');
|
|
|
|
// Record
|
|
personType := TDataType.RecordOf([TRecordField.Create('ID', TDataType.Ordinal), TRecordField.Create('Name', TDataType.Text)]);
|
|
recordValue := personType.CreateValue([TDataValue.FromOrdinal(1), TDataValue.FromText('Bob')]);
|
|
Assert.AreEqual('<ID: 1, Name: Bob>', recordValue.AsString, 'Record AsString incorrect');
|
|
|
|
// Tuple
|
|
tupleValue := TDataValue.FromTuple([TDataValue.FromOrdinal(10), TDataValue.FromText('Tuple')]);
|
|
Assert.AreEqual('(10, Tuple)', tupleValue.AsString, 'Tuple AsString incorrect');
|
|
end;
|
|
|
|
procedure TMyTestObject.TestAsTValue;
|
|
var
|
|
dataValue: IDataValue;
|
|
tv, element: TValue;
|
|
now: TDateTime;
|
|
colorType: IDataEnumType;
|
|
intArrayType: IDataArrayType;
|
|
personType: IDataRecordType;
|
|
begin
|
|
// --- Ordinal ---
|
|
dataValue := TDataValue.FromOrdinal(123);
|
|
tv := dataValue.AsTValue;
|
|
Assert.IsFalse(tv.IsEmpty, 'Ordinal TValue should not be empty');
|
|
Assert.AreEqual(tkInt64, tv.Kind, 'Ordinal TValue kind should be tkInt64');
|
|
Assert.AreEqual(Int64(123), tv.AsInt64, 'Ordinal TValue content is incorrect');
|
|
|
|
// --- Float ---
|
|
dataValue := TDataValue.FromFloat(45.67);
|
|
tv := dataValue.AsTValue;
|
|
Assert.IsFalse(tv.IsEmpty, 'Float TValue should not be empty');
|
|
Assert.AreEqual(tkFloat, tv.Kind, 'Float TValue kind should be tkFloat');
|
|
Assert.AreEqual(45.67, tv.AsExtended, 'Float TValue content is incorrect');
|
|
|
|
// --- Text ---
|
|
dataValue := TDataValue.FromText('Hello');
|
|
tv := dataValue.AsTValue;
|
|
Assert.IsFalse(tv.IsEmpty, 'Text TValue should not be empty');
|
|
Assert.AreEqual(tkUString, tv.Kind, 'Text TValue kind should be tkUString');
|
|
Assert.AreEqual('Hello', tv.AsString, 'Text TValue content is incorrect');
|
|
|
|
// --- Timestamp ---
|
|
now := System.SysUtils.Now;
|
|
dataValue := TDataValue.FromTimestamp(now);
|
|
tv := dataValue.AsTValue;
|
|
Assert.IsFalse(tv.IsEmpty, 'Timestamp TValue should not be empty');
|
|
Assert.AreEqual(tkFloat, tv.Kind, 'Timestamp TValue kind is incorrect');
|
|
Assert.AreEqual(now, tv.AsType<TDateTime>, 'Timestamp TValue content is incorrect');
|
|
|
|
// --- Enum ---
|
|
colorType := TDataType.EnumOf('Color', ['Red', 'Green', 'Blue']);
|
|
dataValue := colorType.CreateValue('Green');
|
|
tv := dataValue.AsTValue;
|
|
Assert.IsFalse(tv.IsEmpty, 'Enum TValue should not be empty');
|
|
Assert.AreEqual(tkInteger, tv.Kind, 'Enum TValue kind should be tkInteger');
|
|
Assert.AreEqual(1, tv.AsInteger, 'Enum TValue content is incorrect');
|
|
|
|
// --- Array ---
|
|
intArrayType := TDataType.ArrayOfType(TDataType.Ordinal);
|
|
dataValue := intArrayType.CreateValue([TDataValue.FromOrdinal(10), TDataValue.FromOrdinal(20)]);
|
|
tv := dataValue.AsTValue;
|
|
Assert.IsFalse(tv.IsEmpty, 'Array TValue should not be empty');
|
|
Assert.IsTrue(tv.IsArray, 'Array TValue should be an array');
|
|
Assert.AreEqual(tkDynArray, tv.Kind, 'Array TValue kind should be tkDynArray');
|
|
Assert.AreEqual(NativeInt(2), tv.GetArrayLength, 'Array TValue length is incorrect');
|
|
|
|
// Correctly unwrap the nested TValue before asserting kind and value
|
|
element := tv.GetArrayElement(0).AsType<TValue>;
|
|
Assert.AreEqual(tkInt64, element.Kind, 'Unwrapped array element 0 kind is incorrect');
|
|
Assert.AreEqual(Int64(10), element.AsInt64, 'Array TValue element 0 is incorrect');
|
|
|
|
element := tv.GetArrayElement(1).AsType<TValue>;
|
|
Assert.AreEqual(Int64(20), element.AsInt64, 'Array TValue element 1 is incorrect');
|
|
|
|
// Check empty array
|
|
dataValue := intArrayType.CreateValue([]);
|
|
tv := dataValue.AsTValue;
|
|
Assert.IsTrue(tv.IsArray, 'Empty Array TValue should be an array');
|
|
Assert.AreEqual(NativeInt(0), tv.GetArrayLength, 'Empty Array TValue length is incorrect');
|
|
|
|
// --- Record ---
|
|
personType := TDataType.RecordOf([TRecordField.Create('ID', TDataType.Ordinal), TRecordField.Create('Name', TDataType.Text)]);
|
|
dataValue := personType.CreateValue([TDataValue.FromOrdinal(1), TDataValue.FromText('Bob')]);
|
|
tv := dataValue.AsTValue;
|
|
Assert.IsFalse(tv.IsEmpty, 'Record TValue should not be empty');
|
|
Assert.IsTrue(tv.IsArray, 'Record TValue should be represented as an array');
|
|
Assert.AreEqual(tkDynArray, tv.Kind, 'Record TValue kind should be tkDynArray');
|
|
Assert.AreEqual(NativeInt(2), tv.GetArrayLength, 'Record TValue length is incorrect');
|
|
Assert.AreEqual(Int64(1), tv.GetArrayElement(0).AsType<TValue>.AsInt64, 'Record TValue element 0 is incorrect');
|
|
Assert.AreEqual('Bob', tv.GetArrayElement(1).AsType<TValue>.AsString, 'Record TValue element 1 is incorrect');
|
|
|
|
// --- Tuple ---
|
|
dataValue := TDataValue.FromTuple([TDataValue.FromOrdinal(99), TDataValue.FromText('Red')]);
|
|
tv := dataValue.AsTValue;
|
|
Assert.IsFalse(tv.IsEmpty, 'Tuple TValue should not be empty');
|
|
Assert.IsTrue(tv.IsArray, 'Tuple TValue should be represented as an array');
|
|
Assert.AreEqual(tkDynArray, tv.Kind, 'Tuple TValue kind should be tkDynArray');
|
|
Assert.AreEqual(NativeInt(2), tv.GetArrayLength, 'Tuple TValue length is incorrect');
|
|
Assert.AreEqual(Int64(99), tv.GetArrayElement(0).AsType<TValue>.AsInt64, 'Tuple TValue element 0 is incorrect');
|
|
Assert.AreEqual('Red', tv.GetArrayElement(1).AsType<TValue>.AsString, 'Tuple TValue element 1 is incorrect');
|
|
end;
|
|
|
|
end.
|