Files
klang/src/test/java/VariableTest.java
2020-03-09 21:32:05 +01:00

32 lines
1.3 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 VariableTest {
@Test
void variableNotDefined() {
ParseTree tree = Helper.prepareParser("function foo(): int { return x; } foo();");
var funcs = Helper.getFuncs(tree);
var structs = Helper.getStructs(tree);
ContextAnalysis ctxAnal = new ContextAnalysis(funcs, structs);
Exception e = assertThrows(RuntimeException.class, () -> ctxAnal.visit(tree));
assertEquals("Error in line 1:29 Variable with name \"x\" not defined.", e.getMessage());
}
@Test
void variableNotInitialized() {
ParseTree tree = Helper.prepareParser("function foo(): int { let x: int; return x; } foo();");
var funcs = Helper.getFuncs(tree);
var structs = Helper.getStructs(tree);
ContextAnalysis ctxAnal = new ContextAnalysis(funcs, structs);
Exception e = assertThrows(RuntimeException.class, () -> ctxAnal.visit(tree));
assertEquals("Error in line 1:41 Variable with name \"x\" has not been initialized.", e.getMessage());
}
}