diff graal/com.oracle.jvmci.runtime.test/src/com/oracle/jvmci/runtime/test/TestResolvedJavaMethod.java @ 21663:381ab4105afe

moved com.oracle.graal.java.test to com.oracle.jvmci.runtime.test
author Doug Simon <doug.simon@oracle.com>
date Tue, 02 Jun 2015 15:15:58 +0200
parents graal/com.oracle.graal.java.test/src/com/oracle/graal/java/test/TestResolvedJavaMethod.java@36cf15e3219e
children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.jvmci.runtime.test/src/com/oracle/jvmci/runtime/test/TestResolvedJavaMethod.java	Tue Jun 02 15:15:58 2015 +0200
@@ -0,0 +1,381 @@
+/*
+ * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.jvmci.runtime.test;
+
+import com.oracle.jvmci.meta.ExceptionHandler;
+import com.oracle.jvmci.meta.ResolvedJavaMethod;
+import com.oracle.jvmci.meta.ConstantPool;
+import static org.junit.Assert.*;
+
+import java.lang.annotation.*;
+import java.lang.reflect.*;
+import java.util.*;
+
+import org.junit.*;
+
+/**
+ * Tests for {@link ResolvedJavaMethod}.
+ */
+public class TestResolvedJavaMethod extends MethodUniverse {
+
+    public TestResolvedJavaMethod() {
+    }
+
+    /**
+     * @see ResolvedJavaMethod#getCode()
+     */
+    @Test
+    public void getCodeTest() {
+        for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
+            ResolvedJavaMethod m = e.getValue();
+            byte[] code = m.getCode();
+            if (code == null) {
+                assertTrue(m.getCodeSize() == 0);
+            } else {
+                if (m.isAbstract()) {
+                    assertTrue(code.length == 0);
+                } else if (!m.isNative()) {
+                    assertTrue(code.length > 0);
+                }
+            }
+        }
+    }
+
+    /**
+     * @see ResolvedJavaMethod#getCodeSize()
+     */
+    @Test
+    public void getCodeSizeTest() {
+        for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
+            ResolvedJavaMethod m = e.getValue();
+            int codeSize = m.getCodeSize();
+            if (m.isAbstract()) {
+                assertTrue(codeSize == 0);
+            } else if (!m.isNative()) {
+                assertTrue(codeSize > 0);
+            }
+        }
+    }
+
+    @Test
+    public void getModifiersTest() {
+        for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
+            ResolvedJavaMethod m = e.getValue();
+            int expected = e.getKey().getModifiers() & Modifier.methodModifiers();
+            int actual = m.getModifiers();
+            assertEquals(expected, actual);
+        }
+    }
+
+    /**
+     * @see ResolvedJavaMethod#isClassInitializer()
+     */
+    @Test
+    public void isClassInitializerTest() {
+        for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
+            // Class initializers are hidden from reflection
+            ResolvedJavaMethod m = e.getValue();
+            assertFalse(m.isClassInitializer());
+        }
+        for (Map.Entry<Constructor<?>, ResolvedJavaMethod> e : constructors.entrySet()) {
+            ResolvedJavaMethod m = e.getValue();
+            assertFalse(m.isClassInitializer());
+        }
+    }
+
+    @Test
+    public void isConstructorTest() {
+        for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
+            ResolvedJavaMethod m = e.getValue();
+            assertFalse(m.isConstructor());
+        }
+        for (Map.Entry<Constructor<?>, ResolvedJavaMethod> e : constructors.entrySet()) {
+            ResolvedJavaMethod m = e.getValue();
+            assertTrue(m.isConstructor());
+        }
+    }
+
+    @Test
+    public void isSyntheticTest() {
+        for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
+            ResolvedJavaMethod m = e.getValue();
+            assertEquals(e.getKey().isSynthetic(), m.isSynthetic());
+        }
+        for (Map.Entry<Constructor<?>, ResolvedJavaMethod> e : constructors.entrySet()) {
+            ResolvedJavaMethod m = e.getValue();
+            assertEquals(e.getKey().isSynthetic(), m.isSynthetic());
+        }
+    }
+
+    @Test
+    public void isSynchronizedTest() {
+        for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
+            ResolvedJavaMethod m = e.getValue();
+            assertEquals(Modifier.isSynchronized(e.getKey().getModifiers()), m.isSynchronized());
+        }
+        for (Map.Entry<Constructor<?>, ResolvedJavaMethod> e : constructors.entrySet()) {
+            ResolvedJavaMethod m = e.getValue();
+            assertEquals(Modifier.isSynchronized(e.getKey().getModifiers()), m.isSynchronized());
+        }
+    }
+
+    @Test
+    public void canBeStaticallyBoundTest() {
+        for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
+            ResolvedJavaMethod m = e.getValue();
+            assertEquals(m.canBeStaticallyBound(), canBeStaticallyBound(e.getKey()));
+        }
+        for (Map.Entry<Constructor<?>, ResolvedJavaMethod> e : constructors.entrySet()) {
+            ResolvedJavaMethod m = e.getValue();
+            assertEquals(m.canBeStaticallyBound(), canBeStaticallyBound(e.getKey()));
+        }
+    }
+
+    private static boolean canBeStaticallyBound(Member method) {
+        int modifiers = method.getModifiers();
+        return (Modifier.isFinal(modifiers) || Modifier.isPrivate(modifiers) || Modifier.isStatic(modifiers) || Modifier.isFinal(method.getDeclaringClass().getModifiers())) &&
+                        !Modifier.isAbstract(modifiers);
+    }
+
+    private static String methodWithExceptionHandlers(String p1, Object o2) {
+        try {
+            return p1.substring(100) + o2.toString();
+        } catch (IndexOutOfBoundsException e) {
+            e.printStackTrace();
+        } catch (NullPointerException e) {
+            e.printStackTrace();
+        } catch (RuntimeException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    @Test
+    public void getExceptionHandlersTest() throws NoSuchMethodException {
+        ResolvedJavaMethod method = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("methodWithExceptionHandlers", String.class, Object.class));
+        ExceptionHandler[] handlers = method.getExceptionHandlers();
+        assertNotNull(handlers);
+        assertEquals(handlers.length, 3);
+        handlers[0].getCatchType().equals(metaAccess.lookupJavaType(IndexOutOfBoundsException.class));
+        handlers[1].getCatchType().equals(metaAccess.lookupJavaType(NullPointerException.class));
+        handlers[2].getCatchType().equals(metaAccess.lookupJavaType(RuntimeException.class));
+    }
+
+    private static String nullPointerExceptionOnFirstLine(Object o, String ignored) {
+        return o.toString() + ignored;
+    }
+
+    @Test
+    public void asStackTraceElementTest() throws NoSuchMethodException {
+        try {
+            nullPointerExceptionOnFirstLine(null, "ignored");
+            Assert.fail("should not reach here");
+        } catch (NullPointerException e) {
+            StackTraceElement expected = e.getStackTrace()[0];
+            ResolvedJavaMethod method = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("nullPointerExceptionOnFirstLine", Object.class, String.class));
+            StackTraceElement actual = method.asStackTraceElement(0);
+            assertEquals(expected, actual);
+        }
+    }
+
+    @Test
+    public void getConstantPoolTest() {
+        for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
+            ResolvedJavaMethod m = e.getValue();
+            ConstantPool cp = m.getConstantPool();
+            assertTrue(cp.length() > 0);
+        }
+    }
+
+    @Test(timeout = 1000L)
+    public void getAnnotationTest() throws NoSuchMethodException {
+        ResolvedJavaMethod method = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("getAnnotationTest"));
+        Test annotation = method.getAnnotation(Test.class);
+        assertNotNull(annotation);
+        assertEquals(1000L, annotation.timeout());
+    }
+
+    @Test(timeout = 1000L)
+    public void getAnnotationsTest() throws NoSuchMethodException {
+        ResolvedJavaMethod method = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("getAnnotationsTest"));
+        Annotation[] annotations = method.getAnnotations();
+        assertNotNull(annotations);
+        assertEquals(1, annotations.length);
+        assertEquals(1000L, ((Test) annotations[0]).timeout());
+    }
+
+    @Retention(RetentionPolicy.RUNTIME)
+    @Target(ElementType.PARAMETER)
+    @interface NonNull {
+    }
+
+    @Retention(RetentionPolicy.RUNTIME)
+    @Target(ElementType.PARAMETER)
+    @interface Special {
+    }
+
+    private static native void methodWithAnnotatedParameters(@NonNull HashMap<String, String> p1, @Special @NonNull Class<? extends Annotation> p2);
+
+    @Test
+    public void getParameterAnnotationsTest() throws NoSuchMethodException {
+        ResolvedJavaMethod method = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("methodWithAnnotatedParameters", HashMap.class, Class.class));
+        Annotation[][] annotations = method.getParameterAnnotations();
+        assertEquals(2, annotations.length);
+        assertEquals(1, annotations[0].length);
+        assertEquals(NonNull.class, annotations[0][0].annotationType());
+        assertEquals(2, annotations[1].length);
+        assertEquals(Special.class, annotations[1][0].annotationType());
+        assertEquals(NonNull.class, annotations[1][1].annotationType());
+    }
+
+    @Test
+    public void getGenericParameterTypesTest() throws NoSuchMethodException {
+        ResolvedJavaMethod method = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("methodWithAnnotatedParameters", HashMap.class, Class.class));
+        Type[] genericParameterTypes = method.getGenericParameterTypes();
+        assertEquals(2, genericParameterTypes.length);
+        assertEquals("java.util.HashMap<java.lang.String, java.lang.String>", genericParameterTypes[0].toString());
+        assertEquals("java.lang.Class<? extends java.lang.annotation.Annotation>", genericParameterTypes[1].toString());
+    }
+
+    @Test
+    public void getMaxLocalsTest() throws NoSuchMethodException {
+        ResolvedJavaMethod method1 = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("methodWithAnnotatedParameters", HashMap.class, Class.class));
+        ResolvedJavaMethod method2 = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("nullPointerExceptionOnFirstLine", Object.class, String.class));
+        assertEquals(0, method1.getMaxLocals());
+        assertEquals(2, method2.getMaxLocals());
+
+    }
+
+    @Test
+    public void getMaxStackSizeTest() throws NoSuchMethodException {
+        ResolvedJavaMethod method1 = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("methodWithAnnotatedParameters", HashMap.class, Class.class));
+        ResolvedJavaMethod method2 = metaAccess.lookupJavaMethod(getClass().getDeclaredMethod("nullPointerExceptionOnFirstLine", Object.class, String.class));
+        assertEquals(0, method1.getMaxStackSize());
+        // some versions of javac produce bytecode with a stacksize of 2 for this method
+        // JSR 292 also sometimes need one more stack slot
+        int method2StackSize = method2.getMaxStackSize();
+        assertTrue(2 <= method2StackSize && method2StackSize <= 4);
+    }
+
+    @Test
+    public void isDefaultTest() {
+        for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
+            ResolvedJavaMethod m = e.getValue();
+            assertEquals(e.getKey().isDefault(), m.isDefault());
+        }
+        for (Map.Entry<Constructor<?>, ResolvedJavaMethod> e : constructors.entrySet()) {
+            ResolvedJavaMethod m = e.getValue();
+            assertFalse(m.isDefault());
+        }
+    }
+
+    @Test
+    public void hasReceiverTest() {
+        for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
+            ResolvedJavaMethod m = e.getValue();
+            assertTrue(m.hasReceiver() != Modifier.isStatic(e.getKey().getModifiers()));
+        }
+        for (Map.Entry<Constructor<?>, ResolvedJavaMethod> e : constructors.entrySet()) {
+            ResolvedJavaMethod m = e.getValue();
+            assertTrue(m.hasReceiver());
+        }
+    }
+
+    @Test
+    public void hasBytecodesTest() {
+        for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
+            ResolvedJavaMethod m = e.getValue();
+            assertTrue(m.hasBytecodes() == (m.isConcrete() && !m.isNative()));
+        }
+        for (Map.Entry<Constructor<?>, ResolvedJavaMethod> e : constructors.entrySet()) {
+            ResolvedJavaMethod m = e.getValue();
+            assertTrue(m.hasBytecodes());
+        }
+    }
+
+    @Test
+    public void isJavaLangObjectInitTest() throws NoSuchMethodException {
+        ResolvedJavaMethod method = metaAccess.lookupJavaMethod(Object.class.getConstructor());
+        assertTrue(method.isJavaLangObjectInit());
+        for (Map.Entry<Method, ResolvedJavaMethod> e : methods.entrySet()) {
+            ResolvedJavaMethod m = e.getValue();
+            assertFalse(m.isJavaLangObjectInit());
+        }
+        for (Map.Entry<Constructor<?>, ResolvedJavaMethod> e : constructors.entrySet()) {
+            ResolvedJavaMethod m = e.getValue();
+            Constructor<?> key = e.getKey();
+            if (key.getDeclaringClass() == Object.class && key.getParameters().length == 0) {
+                assertTrue(m.isJavaLangObjectInit());
+            } else {
+                assertFalse(m.isJavaLangObjectInit());
+            }
+        }
+    }
+
+    private Method findTestMethod(Method apiMethod) {
+        String testName = apiMethod.getName() + "Test";
+        for (Method m : getClass().getDeclaredMethods()) {
+            if (m.getName().equals(testName) && m.getAnnotation(Test.class) != null) {
+                return m;
+            }
+        }
+        return null;
+    }
+
+    // @formatter:off
+    private static final String[] untestedApiMethods = {
+        "invoke",
+        "newInstance",
+        "getDeclaringClass",
+        "getEncoding",
+        "getProfilingInfo",
+        "reprofile",
+        "getCompilerStorage",
+        "canBeInlined",
+        "shouldBeInlined",
+        "getLineNumberTable",
+        "getLocalVariableTable",
+        "isInVirtualMethodTable",
+        "toParameterTypes",
+        "getParameterAnnotation",
+        "getSpeculationLog",
+        "$jacocoInit"
+    };
+    // @formatter:on
+
+    /**
+     * Ensures that any new methods added to {@link ResolvedJavaMethod} either have a test written
+     * for them or are added to {@link #untestedApiMethods}.
+     */
+    @Test
+    public void testCoverage() {
+        Set<String> known = new HashSet<>(Arrays.asList(untestedApiMethods));
+        for (Method m : ResolvedJavaMethod.class.getDeclaredMethods()) {
+            if (findTestMethod(m) == null) {
+                assertTrue("test missing for " + m, known.contains(m.getName()));
+            } else {
+                assertFalse("test should be removed from untestedApiMethods" + m, known.contains(m.getName()));
+            }
+        }
+    }
+}