| /* |
| * Copyright (c) 2012, 2016, 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. |
| */ |
| |
| /** |
| * @test |
| * @requires vm.jvmci |
| * @library ../../../../../ |
| * @modules jdk.internal.vm.ci/jdk.vm.ci.meta |
| * jdk.internal.vm.ci/jdk.vm.ci.runtime |
| * java.base/jdk.internal.misc |
| * @run junit/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -Djvmci.Compiler=null jdk.vm.ci.runtime.test.TestResolvedJavaField |
| */ |
| |
| package jdk.vm.ci.runtime.test; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.PrintStream; |
| import java.lang.annotation.Annotation; |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Method; |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import jdk.vm.ci.meta.ResolvedJavaField; |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| import jdk.vm.ci.meta.ResolvedJavaType; |
| import jdk.vm.ci.runtime.test.TestResolvedJavaField.TestClassLoader; |
| |
| /** |
| * Tests for {@link ResolvedJavaField}. |
| */ |
| public class TestResolvedJavaField extends FieldUniverse { |
| |
| public TestResolvedJavaField() { |
| } |
| |
| @Test |
| public void getModifiersTest() { |
| for (Map.Entry<Field, ResolvedJavaField> e : fields.entrySet()) { |
| int expected = e.getKey().getModifiers(); |
| int actual = e.getValue().getModifiers(); |
| assertEquals(expected, actual); |
| } |
| } |
| |
| @Test |
| public void isSyntheticTest() { |
| for (Map.Entry<Field, ResolvedJavaField> e : fields.entrySet()) { |
| boolean expected = e.getKey().isSynthetic(); |
| boolean actual = e.getValue().isSynthetic(); |
| assertEquals(expected, actual); |
| } |
| } |
| |
| @Test |
| public void getAnnotationsTest() { |
| for (Map.Entry<Field, ResolvedJavaField> e : fields.entrySet()) { |
| Annotation[] expected = e.getKey().getAnnotations(); |
| Annotation[] actual = e.getValue().getAnnotations(); |
| assertArrayEquals(expected, actual); |
| } |
| } |
| |
| @Test |
| public void getAnnotationTest() { |
| for (Map.Entry<Field, ResolvedJavaField> e : fields.entrySet()) { |
| for (Annotation expected : e.getKey().getAnnotations()) { |
| if (expected != null) { |
| Annotation actual = e.getValue().getAnnotation(expected.annotationType()); |
| assertEquals(expected, actual); |
| } |
| } |
| } |
| } |
| |
| 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 = { |
| "getDeclaringClass", |
| "getOffset", |
| "isInternal", |
| "isFinal" |
| }; |
| // @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 : ResolvedJavaField.class.getDeclaredMethods()) { |
| if (m.isSynthetic()) { |
| continue; |
| } |
| 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())); |
| } |
| } |
| } |
| static class TestClassLoader extends ClassLoader { |
| |
| @Override |
| protected Class<?> findClass(final String name) { |
| if (!name.equals(TypeWithUnresolvedFieldType.class.getName())) { |
| try { |
| return super.findClass(name); |
| } catch (ClassNotFoundException e) { |
| throw new AssertionError("unexpected: " + e); |
| } |
| } |
| // copy classfile to byte array |
| byte[] classData = null; |
| try { |
| String simpleName = TypeWithUnresolvedFieldType.class.getSimpleName(); |
| InputStream is = TypeWithUnresolvedFieldType.class.getResourceAsStream(simpleName + ".class"); |
| assert is != null; |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| |
| byte[] buf = new byte[1024]; |
| int size; |
| while ((size = is.read(buf, 0, buf.length)) != -1) { |
| baos.write(buf, 0, size); |
| } |
| baos.flush(); |
| classData = baos.toByteArray(); |
| } catch (IOException e) { |
| Assert.fail("can't access class: " + name); |
| } |
| |
| // replace all occurrences of "PrintStream" in classfile |
| int index = -1; |
| |
| while ((index = indexOf(classData, index + 1, "PrintStream")) != -1) { |
| replace(classData, index, "XXXXXXXXXXX"); |
| } |
| |
| Class<?> c = defineClass(null, classData, 0, classData.length); |
| return c; |
| } |
| |
| private static int indexOf(byte[] b, int index, String find) { |
| for (int i = index; i < b.length; i++) { |
| boolean match = true; |
| for (int j = i; j < i + find.length(); j++) { |
| if (b[j] != (byte) find.charAt(j - i)) { |
| match = false; |
| break; |
| } |
| } |
| if (match) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| private static void replace(byte[] b, int index, String replace) { |
| for (int i = index; i < index + replace.length(); i++) { |
| b[i] = (byte) replace.charAt(i - index); |
| } |
| } |
| } |
| |
| /** |
| * Tests that calling {@link ResolvedJavaField#getType()} does not cause a linkage error if the |
| * type of the field is not resolvable. |
| */ |
| @Test |
| public void testGetType() { |
| Class<?> c = new TestClassLoader().findClass(TypeWithUnresolvedFieldType.class.getName()); |
| ResolvedJavaType type = metaAccess.lookupJavaType(c); |
| for (ResolvedJavaField field : type.getInstanceFields(false)) { |
| assertTrue(field.getName().equals("fieldWithUnresolvableType")); |
| field.getType(); |
| field.toString(); |
| } |
| } |
| } |
| |
| class TypeWithUnresolvedFieldType { |
| /** |
| * {@link TestClassLoader} will rewrite the type of this field to "Ljava/io/XXXXXXXXXXX;". |
| */ |
| PrintStream fieldWithUnresolvableType; |
| } |