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Stone_Red
2026-03-06 00:51:31 +01:00
parent 5efd698772
commit 2a03352169
64 changed files with 302 additions and 5 deletions
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src/YesNt.Interpreter.Tests/CodeFlowTests.cs
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using Microsoft.VisualStudio.TestTools.UnitTesting;
using System.Collections.Generic;
namespace YesNt.Interpreter.Tests;
[TestClass]
public class CodeFlowTests
{
[TestMethod]
public void FunctionTest()
{
List<string> lines =
[
"call yes",
"func yes:",
"global result = 1",
"return",
"${result}"
];
YesNtAssert.IsLastLineEqual(lines, "1");
}
[TestMethod]
public void LabelsTest()
{
List<string> lines =
[
"var result = 1",
"goto yes",
"var result = 0",
"label yes:",
"${result}"
];
YesNtAssert.IsLastLineEqual(lines, "1");
}
[TestMethod]
public void IfBlockTrueTest()
{
List<string> lines =
[
"var result = low",
"if 6 > 5:",
"var result = high",
"end_if",
"${result}"
];
YesNtAssert.IsLastLineEqual(lines, "high");
}
[TestMethod]
public void IfElseFalseBranchTest()
{
List<string> lines =
[
"var result = low",
"if 6 < 5:",
"var result = high",
"else:",
"var result = medium",
"end_if",
"${result}"
];
YesNtAssert.IsLastLineEqual(lines, "medium");
}
[TestMethod]
public void NestedIfElseTest()
{
List<string> lines =
[
"var result = 0",
"if 1 == 1:",
"if 2 == 3:",
"var result = 1",
"else:",
"var result = 2",
"end_if",
"end_if",
"${result}"
];
YesNtAssert.IsLastLineEqual(lines, "2");
}
[TestMethod]
public void WhileLoopTest()
{
List<string> lines =
[
"var i = 3",
"while ${i} > 0:",
"var i = ${i} - 1 calc",
"end_while",
"${i}"
];
YesNtAssert.IsLastLineEqual(lines, "0");
}
[TestMethod]
public void WhileSkipBodyWhenFalseTest()
{
List<string> lines =
[
"var i = 0",
"while ${i} > 0:",
"var i = 99",
"end_while",
"${i}"
];
YesNtAssert.IsLastLineEqual(lines, "0");
}
[TestMethod]
public void NestedWhileLoopTest()
{
List<string> lines =
[
"var outer = 2",
"var count = 0",
"while ${outer} > 0:",
"var inner = 2",
"while ${inner} > 0:",
"var count = ${count} + 1 calc",
"var inner = ${inner} - 1 calc",
"end_while",
"var outer = ${outer} - 1 calc",
"end_while",
"${count}"
];
YesNtAssert.IsLastLineEqual(lines, "4");
}
[TestMethod]
public void IfElseTrueSkipsElseBranchTest()
{
List<string> lines =
[
"var result = 0",
"if 2 > 1:",
"var result = 1",
"else:",
"var result = 2",
"end_if",
"${result}"
];
YesNtAssert.IsLastLineEqual(lines, "1");
}
[TestMethod]
public void IfWithoutElseFalseSkipsBodyTest()
{
List<string> lines =
[
"var result = 5",
"if 1 == 2:",
"var result = 1",
"end_if",
"${result}"
];
YesNtAssert.IsLastLineEqual(lines, "5");
}
[TestMethod]
public void IfGotoTrueTest()
{
List<string> lines =
[
"var result = 0",
"if 1 == 1 goto done",
"var result = 2",
"label done:",
"var result = ${result} + 1 calc",
"${result}"
];
YesNtAssert.IsLastLineEqual(lines, "1");
}
[TestMethod]
public void IfCallTrueTest()
{
List<string> lines =
[
"func set_result:",
"global result = ok",
"return",
"if 1 == 1 call set_result",
"${result}"
];
YesNtAssert.IsLastLineEqual(lines, "ok");
}
[TestMethod]
public void GotoInsideLoopExitsLoopTest()
{
List<string> lines =
[
"var hit = no",
"while 1 == 1:",
"var hit = yes",
"goto done",
"end_while",
"label done:",
"${hit}"
];
YesNtAssert.IsLastLineEqual(lines, "yes");
}
[TestMethod]
public void LabelWithoutColonFailsTest()
{
List<string> lines =
[
"label loop"
];
YesNtAssert.ContainsTerminationMessage(lines, "Invalid statement");
}
[TestMethod]
public void FunctionWithoutColonFailsTest()
{
List<string> lines =
[
"func missing"
];
YesNtAssert.ContainsTerminationMessage(lines, "Invalid statement");
}
[TestMethod]
public void MissingEndIfFailsTest()
{
List<string> lines =
[
"if 1 == 2:",
"var result = 1"
];
YesNtAssert.ContainsTerminationMessage(lines, "No matching end_if found");
}
[TestMethod]
public void ElseWithoutIfFailsTest()
{
List<string> lines =
[
"else:"
];
YesNtAssert.ContainsTerminationMessage(lines, "No matching end_if found");
}
[TestMethod]
public void MissingEndWhileFailsTest()
{
List<string> lines =
[
"var i = 0",
"while ${i} > 1:",
"var i = ${i} + 1 calc"
];
YesNtAssert.ContainsTerminationMessage(lines, "No matching end_while found");
}
[TestMethod]
public void EndWhileWithoutWhileFailsTest()
{
List<string> lines =
[
"end_while"
];
YesNtAssert.ContainsTerminationMessage(lines, "No matching while found");
}
}