changeset 11322:55945c3a4fa4

8152341: JVMCI test task: Unit tests for MemoryAccessProvider Reviewed-by: twisti
author dpochepk
date Mon, 16 May 2016 16:58:02 +0300
parents aa4f5fb34b75
children 8db9d09db54a
files test/compiler/jvmci/jdk.vm.ci.hotspot.test/src/jdk/vm/ci/hotspot/test/MemoryAccessProviderData.java test/compiler/jvmci/jdk.vm.ci.hotspot.test/src/jdk/vm/ci/hotspot/test/MemoryAccessProviderTest.java
diffstat 2 files changed, 244 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/jvmci/jdk.vm.ci.hotspot.test/src/jdk/vm/ci/hotspot/test/MemoryAccessProviderData.java	Mon May 16 16:58:02 2016 +0300
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 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.
+ */
+
+package jdk.vm.ci.hotspot.test;
+
+import java.lang.reflect.Field;
+import jdk.vm.ci.meta.JavaConstant;
+import jdk.vm.ci.meta.JavaKind;
+import jdk.vm.ci.runtime.JVMCI;
+import org.testng.annotations.DataProvider;
+import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider;
+import jdk.vm.ci.hotspot.HotSpotJVMCIRuntimeProvider;
+import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
+import jdk.vm.ci.meta.Constant;
+import jdk.internal.misc.Unsafe;
+
+public class MemoryAccessProviderData {
+    private static final Unsafe UNSAFE = getUnsafe();
+    private static final HotSpotConstantReflectionProvider CONSTANT_REFLECTION = (HotSpotConstantReflectionProvider) JVMCI.getRuntime().getHostJVMCIBackend().getConstantReflection();
+    private static final TestClass TEST_OBJECT = new TestClass();
+    private static final JavaConstant TEST_CONSTANT = CONSTANT_REFLECTION.forObject(TEST_OBJECT);
+    private static final JavaConstant TEST_CLASS_CONSTANT = CONSTANT_REFLECTION.forObject(TestClass.class);
+
+    private static Unsafe getUnsafe() {
+        try {
+            Field f = Unsafe.class.getDeclaredField("theUnsafe");
+            f.setAccessible(true);
+            return (Unsafe) f.get(null);
+        } catch (NoSuchFieldException | IllegalAccessException e) {
+            throw new RuntimeException("Unable to get Unsafe instance.", e);
+        }
+    }
+
+    @DataProvider(name = "positiveObject")
+    public static Object[][] getPositiveObjectJavaKind() {
+        HotSpotJVMCIRuntimeProvider runtime = (HotSpotJVMCIRuntimeProvider) JVMCI.getRuntime();
+        int offset = runtime.getConfig().classMirrorOffset;
+        Constant wrappedKlassPointer = ((HotSpotResolvedObjectType) runtime.fromClass(TestClass.class)).klass();
+        return new Object[][]{new Object[]{JavaKind.Object, wrappedKlassPointer, (long) offset, TEST_CLASS_CONSTANT, 0}};
+    }
+
+    @DataProvider(name = "positivePrimitive")
+    public static Object[][] getPositivePrimitiveJavaKinds() {
+        Field booleanField;
+        Field byteField;
+        Field shortField;
+        Field intField;
+        Field longField;
+        Field floatField;
+        Field doubleField;
+        Field charField;
+        try {
+            booleanField = MemoryAccessProviderData.TestClass.class.getDeclaredField("booleanField");
+            byteField = MemoryAccessProviderData.TestClass.class.getDeclaredField("byteField");
+            shortField = MemoryAccessProviderData.TestClass.class.getDeclaredField("shortField");
+            intField = MemoryAccessProviderData.TestClass.class.getDeclaredField("intField");
+            longField = MemoryAccessProviderData.TestClass.class.getDeclaredField("longField");
+            floatField = MemoryAccessProviderData.TestClass.class.getDeclaredField("floatField");
+            doubleField = MemoryAccessProviderData.TestClass.class.getDeclaredField("doubleField");
+            charField = MemoryAccessProviderData.TestClass.class.getDeclaredField("charField");
+        } catch (NoSuchFieldException e) {
+            throw new Error("TESTBUG: can't find test field " + e, e);
+        }
+        long booleanFieldOffset = UNSAFE.objectFieldOffset(booleanField);
+        long byteFieldOffset = UNSAFE.objectFieldOffset(byteField);
+        long shortFieldOffset = UNSAFE.objectFieldOffset(shortField);
+        long intFieldOffset = UNSAFE.objectFieldOffset(intField);
+        long longFieldOffset = UNSAFE.objectFieldOffset(longField);
+        long floatFieldOffset = UNSAFE.objectFieldOffset(floatField);
+        long doubleFieldOffset = UNSAFE.objectFieldOffset(doubleField);
+        long charFieldOffset = UNSAFE.objectFieldOffset(charField);
+        return new Object[][]{
+                        new Object[]{JavaKind.Boolean, TEST_CONSTANT, booleanFieldOffset,
+                                        JavaConstant.forBoolean(TEST_OBJECT.booleanField), 8},
+                        new Object[]{JavaKind.Byte, TEST_CONSTANT, byteFieldOffset,
+                                        JavaConstant.forByte(TEST_OBJECT.byteField), 8},
+                        new Object[]{JavaKind.Short, TEST_CONSTANT, shortFieldOffset,
+                                        JavaConstant.forShort(TEST_OBJECT.shortField), 16},
+                        new Object[]{JavaKind.Int, TEST_CONSTANT, intFieldOffset,
+                                        JavaConstant.forInt(TEST_OBJECT.intField), 32},
+                        new Object[]{JavaKind.Long, TEST_CONSTANT, longFieldOffset,
+                                        JavaConstant.forLong(TEST_OBJECT.longField), 64},
+                        new Object[]{JavaKind.Float, TEST_CONSTANT, floatFieldOffset,
+                                        JavaConstant.forFloat(TEST_OBJECT.floatField), 32},
+                        new Object[]{JavaKind.Double, TEST_CONSTANT, doubleFieldOffset,
+                                        JavaConstant.forDouble(TEST_OBJECT.doubleField), 64},
+                        new Object[]{JavaKind.Char, TEST_CONSTANT, charFieldOffset,
+                                        JavaConstant.forChar(TEST_OBJECT.charField), 16}};
+    }
+
+    @DataProvider(name = "negative")
+    public static Object[][] getNegativeJavaKinds() {
+        return new Object[][]{
+                        new Object[]{JavaKind.Void, JavaConstant.NULL_POINTER},
+                        new Object[]{JavaKind.Illegal, JavaConstant.INT_1}};
+    }
+
+    private static class TestClass {
+        public final boolean booleanField = true;
+        public final byte byteField = 2;
+        public final short shortField = 3;
+        public final int intField = 4;
+        public final long longField = 5L;
+        public final double doubleField = 6.0d;
+        public final float floatField = 7.0f;
+        public final char charField = 'a';
+        public final String stringField = "abc";
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/jvmci/jdk.vm.ci.hotspot.test/src/jdk/vm/ci/hotspot/test/MemoryAccessProviderTest.java	Mon May 16 16:58:02 2016 +0300
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 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
+ * @bug 8152341
+ * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64")
+ * @library /testlibrary /test/lib /compiler/jvmci/jdk.vm.ci.hotspot.test/src
+ * @modules jdk.vm.ci/jdk.vm.ci.meta
+ *          jdk.vm.ci/jdk.vm.ci.common
+ *          jdk.vm.ci/jdk.vm.ci.runtime
+ *          jdk.vm.ci/jdk.vm.ci.hotspot
+ *          java.base/jdk.internal.misc
+ * @run testng/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
+ *      jdk.vm.ci.hotspot.test.MemoryAccessProviderTest
+ */
+
+package jdk.vm.ci.hotspot.test;
+
+import jdk.vm.ci.meta.Constant;
+import org.testng.annotations.Test;
+import org.testng.Assert;
+import jdk.vm.ci.meta.JavaConstant;
+import jdk.vm.ci.meta.JavaKind;
+import jdk.vm.ci.meta.MemoryAccessProvider;
+import jdk.vm.ci.runtime.JVMCI;
+
+public class MemoryAccessProviderTest {
+    private static final MemoryAccessProvider PROVIDER = JVMCI.getRuntime().getHostJVMCIBackend().getConstantReflection().getMemoryAccessProvider();
+
+    @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class)
+    public void testPositiveReadUnsafeConstant(JavaKind kind, JavaConstant base, Long offset, Object expected, int bitsCount) {
+        Assert.assertEquals(PROVIDER.readUnsafeConstant(kind, base, offset), expected, "Failed to read constant");
+    }
+
+    @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class})
+    public void testReadUnsafeConstantNullBase(JavaKind kind, JavaConstant base, Long offset, Object expected, int bitsCount) {
+        PROVIDER.readUnsafeConstant(kind, null, offset);
+    }
+
+    @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class})
+    public void testNegativeReadUnsafeConstantNullKind(JavaKind kind, JavaConstant base, Long offset, Object expected, int bitsCount) {
+        Assert.assertNull(PROVIDER.readUnsafeConstant(null, base, offset), "Expected null return");
+    }
+
+    @Test(dataProvider = "negative", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class})
+    public void testNegativeReadUnsafeConstant(JavaKind kind, JavaConstant base) {
+        PROVIDER.readUnsafeConstant(kind, base, 0L);
+    }
+
+    @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class)
+    public void testPositiveReadPrimitiveConstant(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) {
+        Assert.assertEquals(PROVIDER.readPrimitiveConstant(kind, base, offset, bitsCount), expected, "Failed to read constant");
+    }
+
+    @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class})
+    public void testReadPrimitiveConstantNullBase(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) {
+        Assert.assertNull(PROVIDER.readPrimitiveConstant(kind, null, offset, bitsCount), "Unexpected value for null base");
+    }
+
+    @Test(dataProvider = "negative", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class})
+    public void testNegativeReadPrimitiveConstant(JavaKind kind, Constant base) {
+        PROVIDER.readPrimitiveConstant(kind, base, 0L, kind == null ? 0 : kind.getBitCount());
+    }
+
+    @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class})
+    public void testObjectReadPrimitiveConstant(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) {
+        PROVIDER.readPrimitiveConstant(kind, base, 0L, bitsCount);
+    }
+
+    @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class})
+    public void testReadPrimitiveConstantLessBits(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) {
+        PROVIDER.readPrimitiveConstant(kind, base, offset, bitsCount - 1);
+    }
+
+    @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class)
+    public void testPositiveReadObjectConstant(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) {
+        Assert.assertEquals(PROVIDER.readObjectConstant(base, offset), expected, "Unexpected result");
+    }
+
+    @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class)
+    public void testNegativeReadObjectConstantNullBase(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) {
+        Assert.assertNull(PROVIDER.readObjectConstant(null, offset), "Unexpected return");
+    }
+
+    @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class)
+    public void testNegativeReadObjectConstantWrongOffset(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) {
+        Assert.assertNull(PROVIDER.readObjectConstant(base, offset + 1), "Expected null");
+    }
+
+    @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class)
+    public void testNegativeReadObjectConstantPrimitiveBase(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) {
+        Assert.assertNull(PROVIDER.readObjectConstant(base, offset), "Expected null");
+    }
+}