KT-1592 don't write default values for annotations

compiler/backend/src/org/jetbrains/jet/codegen/AnnotationCodegen.java

@@ -22,6 +22,7 @@ import org.jetbrains.jet.lang.descriptors.annotations.Annotated;
 import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
 import org.jetbrains.jet.lang.psi.*;
 import org.jetbrains.jet.lang.resolve.BindingContext;
+import org.jetbrains.jet.lang.resolve.calls.DefaultValueArgument;
 import org.jetbrains.jet.lang.resolve.calls.ResolvedCall;
 import org.jetbrains.jet.lang.resolve.calls.ResolvedValueArgument;
 import org.jetbrains.jet.lang.resolve.constants.CompileTimeConstant;
@@ -76,13 +77,16 @@ public abstract class AnnotationCodegen {
                 AnnotationVisitor annotationVisitor = visitAnnotation(internalName, rp == RetentionPolicy.RUNTIME);
 
                 for (Map.Entry<ValueParameterDescriptor, ResolvedValueArgument> entry : resolvedCall.getValueArguments().entrySet()) {
-                    List<JetExpression> valueArguments = entry.getValue().getArgumentExpressions();
-                    assert  valueArguments.size() == 1 : "Number of assertions on " + resolvedCall.getResultingDescriptor() + " = " + valueArguments.size(); // todo
-                    CompileTimeConstant<?> compileTimeConstant = bindingContext.get(BindingContext.COMPILE_TIME_VALUE, valueArguments.get(0));
-                    assert compileTimeConstant != null;
+                    ResolvedValueArgument valueArgument = entry.getValue();
+                    if (!(valueArgument instanceof DefaultValueArgument)) {
+                        List<JetExpression> valueArguments = valueArgument.getArgumentExpressions();
+                        assert  valueArguments.size() == 1 : "Number of assertions on " + resolvedCall.getResultingDescriptor() + " = " + valueArguments.size(); // todo
+                        CompileTimeConstant<?> compileTimeConstant = bindingContext.get(BindingContext.COMPILE_TIME_VALUE, valueArguments.get(0));
+                        assert compileTimeConstant != null;
 
-                    Object value = compileTimeConstant.getValue();
-                    annotationVisitor.visit(entry.getKey().getName(), value);
+                        Object value = compileTimeConstant.getValue();
+                        annotationVisitor.visit(entry.getKey().getName(), value);
+                    }
                 }
 
                 annotationVisitor.visitEnd();

compiler/testData/codegen/regressions/kt1592.kt

@@ -0,0 +1,3 @@
+import org.junit.Test
+
+Test fun box(m : java.lang.reflect.Method) = "OK"

compiler/tests/org/jetbrains/jet/codegen/StdlibTest.java

@@ -17,12 +17,18 @@
 package org.jetbrains.jet.codegen;
 
 import org.jetbrains.jet.compiler.CompileEnvironment;
+import org.jetbrains.jet.lang.psi.JetPsiUtil;
 
+import java.io.File;
+import java.lang.annotation.Annotation;
+import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.net.URLClassLoader;
 
+import org.junit.Test;
+
 /**
  * @author alex.tkachman
  */
@@ -32,6 +38,13 @@ public class StdlibTest extends CodegenTestCase {
         super.setUp();
         createEnvironmentWithFullJdk();
         myEnvironment.addToClasspath(ForTestCompileStdlib.stdlibJarForTests());
+        File junitJar = new File("libraries/testlib/lib/junit-4.9.jar");
+
+        if (!junitJar.exists()) {
+            throw new AssertionError();
+        }
+
+        myEnvironment.addToClasspath(junitJar);
         CompileEnvironment.ensureRuntime(myEnvironment);
     }
 
@@ -128,4 +141,27 @@ public class StdlibTest extends CodegenTestCase {
     public void testKt1515() throws Exception {
         blackBoxFile("regressions/kt1515.kt");
     }
+
+    public void testKt1592 () throws MalformedURLException, ClassNotFoundException, NoSuchMethodException, InvocationTargetException, IllegalAccessException {
+        loadFile("regressions/kt1592.kt");
+        ClassFileFactory codegens = generateClassesInFile();
+        GeneratedClassLoader loader = createClassLoader(codegens);
+
+        try {
+            String fqName = NamespaceCodegen.getJVMClassName(JetPsiUtil.getFQName(myFile), true).replace("/", ".");
+            Class<?> namespaceClass = loader.loadClass(fqName);
+            Method method = namespaceClass.getMethod("box", Method.class);
+            method.setAccessible(true);
+            Test annotation = method.getAnnotation(Test.class);
+            assertEquals(annotation.timeout(), 0l);
+            assertEquals(annotation.expected(), Test.None.class);
+        }
+        catch (Throwable t) {
+            System.out.println(generateToText());
+            throw new RuntimeException(t);
+        }
+        finally {
+           loader.dispose();
+        }
+    }
 }