Files
klang/src/test/java/StructFieldAccessTest.java
2023-03-15 15:56:42 +01:00

33 lines
1.4 KiB
Java

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import org.antlr.v4.runtime.tree.ParseTree;
import org.junit.jupiter.api.Test;
import de.hsrm.compiler.Klang.ContextAnalysis;
public class StructFieldAccessTest {
@Test
void variableNotDefined() {
ParseTree tree = Helper.prepareParser("struct test { a: int; } function foo(): int { return str.a; } foo();");
var funcs = Helper.getFuncs(tree);
var structs = Helper.getStructs(tree);
var enums = Helper.getEnums(tree);
ContextAnalysis ctxAnal = new ContextAnalysis(funcs, structs, enums);
Exception e = assertThrows(RuntimeException.class, () -> ctxAnal.visit(tree));
assertEquals("Error in line 1:53 Variable with name str not defined.", e.getMessage());
}
@Test
void fieldAssignmentOnNonStruct() {
ParseTree tree = Helper.prepareParser("struct test { a: int; } function foo(): int { let x: int = 0; return x.a; } foo();");
var funcs = Helper.getFuncs(tree);
var structs = Helper.getStructs(tree);
var enums = Helper.getEnums(tree);
ContextAnalysis ctxAnal = new ContextAnalysis(funcs, structs, enums);
Exception e = assertThrows(RuntimeException.class, () -> ctxAnal.visit(tree));
assertEquals("Error in line 1:69 Variable must reference a struct but references int.", e.getMessage());
}
}