63 lines
2.2 KiB
C#
63 lines
2.2 KiB
C#
using CanonSharp.Pascal.Parser;
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using CanonSharp.Pascal.SyntaxTree;
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using CanonSharp.Tests.Utils;
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namespace CanonSharp.Tests.ParserTests;
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public class ConstDeclarationTests : GrammarParserTestBase
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{
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[Fact]
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public void BooleanConstValueTest()
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{
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BooleanValueNode node = RunParser<BooleanValueNode>(GrammarParser.ConstValueParser(), "true");
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Assert.True(node.Value);
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node = RunParser<BooleanValueNode>(GrammarParser.ConstValueParser(), "false");
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Assert.False(node.Value);
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}
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[Fact]
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public void CharConstValueTest()
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{
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CharValueNode node = RunParser<CharValueNode>(GrammarParser.ConstValueParser(), "'a'");
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Assert.Equal('a', node.Value);
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}
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[Fact]
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public void NumberConstValueTest()
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{
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IntegerValueNode integerValueNode = RunParser<IntegerValueNode>(GrammarParser.ConstValueParser(), "250");
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Assert.Equal(250, integerValueNode.Value);
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FloatValueNode floatValueNode = RunParser<FloatValueNode>(GrammarParser.ConstValueParser(), "100.5");
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Assert.Equal(100.5, floatValueNode.Value);
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UnaryOperatorNode node = RunParser<UnaryOperatorNode>(GrammarParser.ConstValueParser(), "+250");
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Assert.Equal(UnaryOperatorType.Plus, node.OperatorType);
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node = RunParser<UnaryOperatorNode>(GrammarParser.ConstValueParser(), "-100.5");
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Assert.Equal(UnaryOperatorType.Minus, node.OperatorType);
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}
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[Fact]
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public void ConstDeclarationTest()
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{
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ConstantNode node = RunParser<ConstantNode>(GrammarParser.ConstDeclarationParser(), "a = true");
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Assert.Equal("a", node.Identifier.LiteralValue);
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Assert.True(node.Value.Convert<BooleanValueNode>().Value);
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}
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[Theory]
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[InlineData("", 0)]
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[InlineData("const INFINITE = 100;", 1)]
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[InlineData("const a = true; b = false", 2)]
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[InlineData("const code1 = 100.4;code2 = 'a'", 2)]
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public void ConstDeclarationsCountTest(string input, int count)
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{
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BlockNode blockNode = RunParser<BlockNode>(GrammarParser.ConstDeclarationsParser(), input);
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List<ConstantNode> constantNodes = blockNode.Statements.Select(node => node.Convert<ConstantNode>()).ToList();
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Assert.Equal(count, constantNodes.Count);
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}
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}
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