#56 - тесты

samples/linkedlist.js

@@ -16,7 +16,7 @@ function append(lst: list, item: number) {
 
 function getOdd(lst: list): number[] {
     let result: number[]
-    let n = lst.head
+    let n: node = lst.head
     while (n != null) {
         if (n.data % 2 != 0) {
             let i = n.data

tests/HydraScript.IntegrationTests/ErrorPrograms/NullAssignmentWhenUndefinedTests.cs

@@ -0,0 +1,32 @@
+using System.CommandLine.Parsing;
+
+namespace HydraScript.IntegrationTests.ErrorPrograms;
+
+public class NullAssignmentWhenUndefinedTests(TestHostFixture fixture) : IClassFixture<TestHostFixture>
+{
+    [Theory, MemberData(nameof(NullAssignmentScripts))]
+    public void NullAssignment_UndefinedDestinationOrReturnType_HydraScriptError(string script)
+    {
+        var runner = fixture.GetRunner(
+            configureTestServices: services =>
+                services.SetupInMemoryScript(script));
+        var code = runner.Invoke(fixture.InMemoryScript);
+        code.Should().Be(ExitCodes.HydraScriptError);
+        fixture.LogMessages.Should()
+            .Contain(x => x.Contains("Cannot assign 'null' when type is undefined"));
+    }
+
+    public static TheoryData<string> NullAssignmentScripts
+    {
+        get
+        {
+            const string lexicalDeclaration = "let x = null";
+            const string objectLiteralProperty = "let y = {prop: null;}";
+            const string functionReturn = "function f() { return null }";
+            return new TheoryData<string>([
+                lexicalDeclaration,
+                objectLiteralProperty,
+                functionReturn]);
+        }
+    }
+}

tests/HydraScript.IntegrationTests/ErrorPrograms/VariableInitializationTests.cs

@@ -5,7 +5,7 @@ namespace HydraScript.IntegrationTests.ErrorPrograms;
 public class VariableInitializationTests(TestHostFixture fixture) : IClassFixture<TestHostFixture>
 {
     [Theory, MemberData(nameof(VariableInitializationScripts))]
-    public void VariableWithoutTypeDeclared_AccessedBeforeInitialization_ExitCodeHydraScriptError(string script)
+    public void VariableWithoutTypeDeclared_AccessedBeforeInitialization_HydraScriptError(string script)
     {
         var runner = fixture.GetRunner(
             configureTestServices: services =>
@@ -36,7 +36,9 @@ function f() {
                     return 5
                 }
                 """;
-            return new TheoryData<string>([variableWithoutTypeDeclared, typedVariableDeclared]);
+            return new TheoryData<string>([
+                variableWithoutTypeDeclared,
+                typedVariableDeclared]);
         }
     }
 }

tests/HydraScript.IntegrationTests/ErrorPrograms/VoidAssignmentTests.cs

@@ -5,7 +5,7 @@ namespace HydraScript.IntegrationTests.ErrorPrograms;
 public class VoidAssignmentTests(TestHostFixture fixture) : IClassFixture<TestHostFixture>
 {
     [Fact]
-    public void FunctionDeclared_VoidReturnAssigned_ExitCodeHydraScriptError()
+    public void FunctionDeclared_VoidReturnAssigned_HydraScriptError()
     {
         const string script =
             """