Add new tests for console, function, system, variable, and code flow statements

2026-09-08 16:06:07 +02:00 · 2026-03-04 14:49:54 +01:00
parent 36d8735fbb
commit a5f521912e
9 changed files with 899 additions and 56 deletions
@@ -0,0 +1,104 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+using System.Collections.Generic;
+
+namespace YesNt.Interpreter.Tests;
+
+[TestClass]
+public class VariableStatementsTests
+{
+    [TestMethod]
+    public void LetAndReadVariableTest()
+    {
+        List<string> lines =
+        [
+            "let value = hi",
+            "${value}"
+        ];
+
+        YesNtAssert.IsLastLineEqual(lines, "hi");
+    }
+
+    [TestMethod]
+    public void GlobalVariableReadTest()
+    {
+        List<string> lines =
+        [
+            "global value = hi",
+            "${value}"
+        ];
+
+        YesNtAssert.IsLastLineEqual(lines, "hi");
+    }
+
+    [TestMethod]
+    public void LocalVariableOverridesGlobalTest()
+    {
+        List<string> lines =
+        [
+            "global value = global",
+            "let value = local",
+            "${value}"
+        ];
+
+        YesNtAssert.IsLastLineEqual(lines, "local");
+    }
+
+    [TestMethod]
+    public void DeleteLocalVariableTest()
+    {
+        List<string> lines =
+        [
+            "let value = a",
+            "delete value",
+            "global value = b",
+            "${value}"
+        ];
+
+        YesNtAssert.IsLastLineEqual(lines, "b");
+    }
+
+    [TestMethod]
+    public void DeleteMissingVariableFailsTest()
+    {
+        List<string> lines =
+        [
+            "delete missing"
+        ];
+
+        YesNtAssert.ContainsTerminationMessage(lines, "Variable \"missing\" not found");
+    }
+
+    [TestMethod]
+    public void LetInvalidSyntaxFailsTest()
+    {
+        List<string> lines =
+        [
+            "let a"
+        ];
+
+        YesNtAssert.ContainsTerminationMessage(lines, "Invalid statement");
+    }
+
+    [TestMethod]
+    public void LetInvalidNameFailsTest()
+    {
+        List<string> lines =
+        [
+            "let a b = 1"
+        ];
+
+        YesNtAssert.ContainsTerminationMessage(lines, "Invalid Syntax");
+    }
+
+    [TestMethod]
+    public void MissingVariableReferenceFailsTest()
+    {
+        List<string> lines =
+        [
+            "${missing}"
+        ];
+
+        YesNtAssert.ContainsTerminationMessage(lines, "Variable \"missing\" not found");
+    }
+}