diff options
Diffstat (limited to 'test/565-checker-rotate/src-art/Main.java')
| -rw-r--r-- | test/565-checker-rotate/src-art/Main.java | 546 |
1 files changed, 546 insertions, 0 deletions
diff --git a/test/565-checker-rotate/src-art/Main.java b/test/565-checker-rotate/src-art/Main.java new file mode 100644 index 0000000000..b9e1315bd4 --- /dev/null +++ b/test/565-checker-rotate/src-art/Main.java @@ -0,0 +1,546 @@ +/* + * Copyright (C) 2016 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +import java.lang.reflect.Method; + +public class Main { + + private static Class main2; + + /// CHECK-START: int Main.rotateLeftByte(byte, int) intrinsics_recognition (after) + /// CHECK-DAG: <<Method:[ij]\d+>> CurrentMethod + /// CHECK: <<ArgVal:b\d+>> ParameterValue + /// CHECK: <<ArgDist:i\d+>> ParameterValue + /// CHECK-DAG: <<Result:i\d+>> InvokeStaticOrDirect [<<ArgVal>>,<<ArgDist>>,<<Method>>] intrinsic:IntegerRotateLeft + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: int Main.rotateLeftByte(byte, int) instruction_simplifier (after) + /// CHECK: <<ArgVal:b\d+>> ParameterValue + /// CHECK: <<ArgDist:i\d+>> ParameterValue + /// CHECK-DAG: <<NegDist:i\d+>> Neg [<<ArgDist>>] + /// CHECK-DAG: <<Result:i\d+>> Ror [<<ArgVal>>,<<NegDist>>] + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: int Main.rotateLeftByte(byte, int) instruction_simplifier (after) + /// CHECK-NOT: InvokeStaticOrDirect + + private static int rotateLeftByte(byte value, int distance) { + return Integer.rotateLeft(value, distance); + } + + /// CHECK-START: int Main.rotateLeftShort(short, int) intrinsics_recognition (after) + /// CHECK-DAG: <<Method:[ij]\d+>> CurrentMethod + /// CHECK: <<ArgVal:s\d+>> ParameterValue + /// CHECK: <<ArgDist:i\d+>> ParameterValue + /// CHECK-DAG: <<Result:i\d+>> InvokeStaticOrDirect [<<ArgVal>>,<<ArgDist>>,<<Method>>] intrinsic:IntegerRotateLeft + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: int Main.rotateLeftShort(short, int) instruction_simplifier (after) + /// CHECK: <<ArgVal:s\d+>> ParameterValue + /// CHECK: <<ArgDist:i\d+>> ParameterValue + /// CHECK-DAG: <<NegDist:i\d+>> Neg [<<ArgDist>>] + /// CHECK-DAG: <<Result:i\d+>> Ror [<<ArgVal>>,<<NegDist>>] + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: int Main.rotateLeftShort(short, int) instruction_simplifier (after) + /// CHECK-NOT: InvokeStaticOrDirect + + private static int rotateLeftShort(short value, int distance) { + return Integer.rotateLeft(value, distance); + } + + /// CHECK-START: int Main.rotateLeftChar(char, int) intrinsics_recognition (after) + /// CHECK-DAG: <<Method:[ij]\d+>> CurrentMethod + /// CHECK: <<ArgVal:c\d+>> ParameterValue + /// CHECK: <<ArgDist:i\d+>> ParameterValue + /// CHECK-DAG: <<Result:i\d+>> InvokeStaticOrDirect [<<ArgVal>>,<<ArgDist>>,<<Method>>] intrinsic:IntegerRotateLeft + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: int Main.rotateLeftChar(char, int) instruction_simplifier (after) + /// CHECK: <<ArgVal:c\d+>> ParameterValue + /// CHECK: <<ArgDist:i\d+>> ParameterValue + /// CHECK-DAG: <<NegDist:i\d+>> Neg [<<ArgDist>>] + /// CHECK-DAG: <<Result:i\d+>> Ror [<<ArgVal>>,<<NegDist>>] + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: int Main.rotateLeftChar(char, int) instruction_simplifier (after) + /// CHECK-NOT: InvokeStaticOrDirect + + private static int rotateLeftChar(char value, int distance) { + return Integer.rotateLeft(value, distance); + } + + /// CHECK-START: int Main.rotateLeftInt(int, int) intrinsics_recognition (after) + /// CHECK-DAG: <<Method:[ij]\d+>> CurrentMethod + /// CHECK: <<ArgVal:i\d+>> ParameterValue + /// CHECK: <<ArgDist:i\d+>> ParameterValue + /// CHECK-DAG: <<Result:i\d+>> InvokeStaticOrDirect [<<ArgVal>>,<<ArgDist>>,<<Method>>] intrinsic:IntegerRotateLeft + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: int Main.rotateLeftInt(int, int) instruction_simplifier (after) + /// CHECK: <<ArgVal:i\d+>> ParameterValue + /// CHECK: <<ArgDist:i\d+>> ParameterValue + /// CHECK-DAG: <<NegDist:i\d+>> Neg [<<ArgDist>>] + /// CHECK-DAG: <<Result:i\d+>> Ror [<<ArgVal>>,<<NegDist>>] + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: int Main.rotateLeftInt(int, int) instruction_simplifier (after) + /// CHECK-NOT: InvokeStaticOrDirect + + private static int rotateLeftInt(int value, int distance) { + return Integer.rotateLeft(value, distance); + } + + /// CHECK-START: long Main.rotateLeftLong(long, int) intrinsics_recognition (after) + /// CHECK-DAG: <<Method:[ij]\d+>> CurrentMethod + /// CHECK: <<ArgVal:j\d+>> ParameterValue + /// CHECK: <<ArgDist:i\d+>> ParameterValue + /// CHECK-DAG: <<Result:j\d+>> InvokeStaticOrDirect [<<ArgVal>>,<<ArgDist>>,<<Method>>] intrinsic:LongRotateLeft + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: long Main.rotateLeftLong(long, int) instruction_simplifier (after) + /// CHECK: <<ArgVal:j\d+>> ParameterValue + /// CHECK: <<ArgDist:i\d+>> ParameterValue + /// CHECK-DAG: <<NegDist:i\d+>> Neg [<<ArgDist>>] + /// CHECK-DAG: <<Result:j\d+>> Ror [<<ArgVal>>,<<NegDist>>] + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: long Main.rotateLeftLong(long, int) instruction_simplifier (after) + /// CHECK-NOT: InvokeStaticOrDirect + + private static long rotateLeftLong(long value, int distance) { + return Long.rotateLeft(value, distance); + } + + /// CHECK-START: int Main.rotateRightByte(byte, int) intrinsics_recognition (after) + /// CHECK-DAG: <<Method:[ij]\d+>> CurrentMethod + /// CHECK: <<ArgVal:b\d+>> ParameterValue + /// CHECK: <<ArgDist:i\d+>> ParameterValue + /// CHECK-DAG: <<Result:i\d+>> InvokeStaticOrDirect [<<ArgVal>>,<<ArgDist>>,<<Method>>] intrinsic:IntegerRotateRight + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: int Main.rotateRightByte(byte, int) instruction_simplifier (after) + /// CHECK: <<ArgVal:b\d+>> ParameterValue + /// CHECK: <<ArgDist:i\d+>> ParameterValue + /// CHECK-DAG: <<Result:i\d+>> Ror [<<ArgVal>>,<<ArgDist>>] + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: int Main.rotateRightByte(byte, int) instruction_simplifier (after) + /// CHECK-NOT: InvokeStaticOrDirect + + private static int rotateRightByte(byte value, int distance) { + return Integer.rotateRight(value, distance); + } + + /// CHECK-START: int Main.rotateRightShort(short, int) intrinsics_recognition (after) + /// CHECK-DAG: <<Method:[ij]\d+>> CurrentMethod + /// CHECK: <<ArgVal:s\d+>> ParameterValue + /// CHECK: <<ArgDist:i\d+>> ParameterValue + /// CHECK-DAG: <<Result:i\d+>> InvokeStaticOrDirect [<<ArgVal>>,<<ArgDist>>,<<Method>>] intrinsic:IntegerRotateRight + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: int Main.rotateRightShort(short, int) instruction_simplifier (after) + /// CHECK: <<ArgVal:s\d+>> ParameterValue + /// CHECK: <<ArgDist:i\d+>> ParameterValue + /// CHECK-DAG: <<Result:i\d+>> Ror [<<ArgVal>>,<<ArgDist>>] + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: int Main.rotateRightShort(short, int) instruction_simplifier (after) + /// CHECK-NOT: InvokeStaticOrDirect + + private static int rotateRightShort(short value, int distance) { + return Integer.rotateRight(value, distance); + } + + /// CHECK-START: int Main.rotateRightChar(char, int) intrinsics_recognition (after) + /// CHECK-DAG: <<Method:[ij]\d+>> CurrentMethod + /// CHECK: <<ArgVal:c\d+>> ParameterValue + /// CHECK: <<ArgDist:i\d+>> ParameterValue + /// CHECK-DAG: <<Result:i\d+>> InvokeStaticOrDirect [<<ArgVal>>,<<ArgDist>>,<<Method>>] intrinsic:IntegerRotateRight + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: int Main.rotateRightChar(char, int) instruction_simplifier (after) + /// CHECK: <<ArgVal:c\d+>> ParameterValue + /// CHECK: <<ArgDist:i\d+>> ParameterValue + /// CHECK-DAG: <<Result:i\d+>> Ror [<<ArgVal>>,<<ArgDist>>] + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: int Main.rotateRightChar(char, int) instruction_simplifier (after) + /// CHECK-NOT: InvokeStaticOrDirect + + private static int rotateRightChar(char value, int distance) { + return Integer.rotateRight(value, distance); + } + + /// CHECK-START: int Main.rotateRightInt(int, int) intrinsics_recognition (after) + /// CHECK-DAG: <<Method:[ij]\d+>> CurrentMethod + /// CHECK: <<ArgVal:i\d+>> ParameterValue + /// CHECK: <<ArgDist:i\d+>> ParameterValue + /// CHECK-DAG: <<Result:i\d+>> InvokeStaticOrDirect [<<ArgVal>>,<<ArgDist>>,<<Method>>] intrinsic:IntegerRotateRight + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: int Main.rotateRightInt(int, int) instruction_simplifier (after) + /// CHECK: <<ArgVal:i\d+>> ParameterValue + /// CHECK: <<ArgDist:i\d+>> ParameterValue + /// CHECK-DAG: <<Result:i\d+>> Ror [<<ArgVal>>,<<ArgDist>>] + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: int Main.rotateRightInt(int, int) instruction_simplifier (after) + /// CHECK-NOT: InvokeStaticOrDirect + + private static int rotateRightInt(int value, int distance) { + return Integer.rotateRight(value, distance); + } + + /// CHECK-START: long Main.rotateRightLong(long, int) intrinsics_recognition (after) + /// CHECK-DAG: <<Method:[ij]\d+>> CurrentMethod + /// CHECK: <<ArgVal:j\d+>> ParameterValue + /// CHECK: <<ArgDist:i\d+>> ParameterValue + /// CHECK-DAG: <<Result:j\d+>> InvokeStaticOrDirect [<<ArgVal>>,<<ArgDist>>,<<Method>>] intrinsic:LongRotateRight + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: long Main.rotateRightLong(long, int) instruction_simplifier (after) + /// CHECK: <<ArgVal:j\d+>> ParameterValue + /// CHECK: <<ArgDist:i\d+>> ParameterValue + /// CHECK-DAG: <<Result:j\d+>> Ror [<<ArgVal>>,<<ArgDist>>] + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: long Main.rotateRightLong(long, int) instruction_simplifier (after) + /// CHECK-NOT: InvokeStaticOrDirect + + private static long rotateRightLong(long value, int distance) { + return Long.rotateRight(value, distance); + } + + + /// CHECK-START: int Main.rotateLeftIntWithByteDistance(int, byte) intrinsics_recognition (after) + /// CHECK-DAG: <<Method:[ij]\d+>> CurrentMethod + /// CHECK: <<ArgVal:i\d+>> ParameterValue + /// CHECK: <<ArgDist:b\d+>> ParameterValue + /// CHECK-DAG: <<Result:i\d+>> InvokeStaticOrDirect [<<ArgVal>>,<<ArgDist>>,<<Method>>] intrinsic:IntegerRotateLeft + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: int Main.rotateLeftIntWithByteDistance(int, byte) instruction_simplifier (after) + /// CHECK: <<ArgVal:i\d+>> ParameterValue + /// CHECK: <<ArgDist:b\d+>> ParameterValue + /// CHECK-DAG: <<NegDist:i\d+>> Neg [<<ArgDist>>] + /// CHECK-DAG: <<Result:i\d+>> Ror [<<ArgVal>>,<<NegDist>>] + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: int Main.rotateLeftIntWithByteDistance(int, byte) instruction_simplifier (after) + /// CHECK-NOT: InvokeStaticOrDirect + + private static int rotateLeftIntWithByteDistance(int value, byte distance) { + return Integer.rotateLeft(value, distance); + } + + /// CHECK-START: int Main.rotateRightIntWithByteDistance(int, byte) intrinsics_recognition (after) + /// CHECK-DAG: <<Method:[ij]\d+>> CurrentMethod + /// CHECK: <<ArgVal:i\d+>> ParameterValue + /// CHECK: <<ArgDist:b\d+>> ParameterValue + /// CHECK-DAG: <<Result:i\d+>> InvokeStaticOrDirect [<<ArgVal>>,<<ArgDist>>,<<Method>>] intrinsic:IntegerRotateRight + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: int Main.rotateRightIntWithByteDistance(int, byte) instruction_simplifier (after) + /// CHECK: <<ArgVal:i\d+>> ParameterValue + /// CHECK: <<ArgDist:b\d+>> ParameterValue + /// CHECK-DAG: <<Result:i\d+>> Ror [<<ArgVal>>,<<ArgDist>>] + /// CHECK-DAG: Return [<<Result>>] + + /// CHECK-START: int Main.rotateRightIntWithByteDistance(int, byte) instruction_simplifier (after) + /// CHECK-NOT: InvokeStaticOrDirect + + private static int rotateRightIntWithByteDistance(int value, byte distance) { + return Integer.rotateRight(value, distance); + } + + + public static void testRotateLeftBoolean() throws Exception { + Method rotateLeftBoolean = main2.getMethod("rotateLeftBoolean", boolean.class, int.class); + for (int i = 0; i < 40; i++) { // overshoot a bit + int j = i & 31; + expectEqualsInt(0, (int)rotateLeftBoolean.invoke(null, false, i)); + expectEqualsInt(1 << i, (int)rotateLeftBoolean.invoke(null, true, i)); + } + } + + public static void testRotateLeftByte() { + expectEqualsInt(0x00000001, rotateLeftByte((byte)0x01, 0)); + expectEqualsInt(0x00000002, rotateLeftByte((byte)0x01, 1)); + expectEqualsInt(0x80000000, rotateLeftByte((byte)0x01, 31)); + expectEqualsInt(0x00000001, rotateLeftByte((byte)0x01, 32)); // overshoot + expectEqualsInt(0xFFFFFF03, rotateLeftByte((byte)0x81, 1)); + expectEqualsInt(0xFFFFFE07, rotateLeftByte((byte)0x81, 2)); + expectEqualsInt(0x00000120, rotateLeftByte((byte)0x12, 4)); + expectEqualsInt(0xFFFF9AFF, rotateLeftByte((byte)0x9A, 8)); + for (int i = 0; i < 40; i++) { // overshoot a bit + int j = i & 31; + expectEqualsInt(0x00000000, rotateLeftByte((byte)0x0000, i)); + expectEqualsInt(0xFFFFFFFF, rotateLeftByte((byte)0xFFFF, i)); + expectEqualsInt((1 << j), rotateLeftByte((byte)0x0001, i)); + expectEqualsInt((0x12 << j) | (0x12 >>> -j), rotateLeftByte((byte)0x12, i)); + } + } + + public static void testRotateLeftShort() { + expectEqualsInt(0x00000001, rotateLeftShort((short)0x0001, 0)); + expectEqualsInt(0x00000002, rotateLeftShort((short)0x0001, 1)); + expectEqualsInt(0x80000000, rotateLeftShort((short)0x0001, 31)); + expectEqualsInt(0x00000001, rotateLeftShort((short)0x0001, 32)); // overshoot + expectEqualsInt(0xFFFF0003, rotateLeftShort((short)0x8001, 1)); + expectEqualsInt(0xFFFE0007, rotateLeftShort((short)0x8001, 2)); + expectEqualsInt(0x00012340, rotateLeftShort((short)0x1234, 4)); + expectEqualsInt(0xFF9ABCFF, rotateLeftShort((short)0x9ABC, 8)); + for (int i = 0; i < 40; i++) { // overshoot a bit + int j = i & 31; + expectEqualsInt(0x00000000, rotateLeftShort((short)0x0000, i)); + expectEqualsInt(0xFFFFFFFF, rotateLeftShort((short)0xFFFF, i)); + expectEqualsInt((1 << j), rotateLeftShort((short)0x0001, i)); + expectEqualsInt((0x1234 << j) | (0x1234 >>> -j), rotateLeftShort((short)0x1234, i)); + } + } + + public static void testRotateLeftChar() { + expectEqualsInt(0x00000001, rotateLeftChar((char)0x0001, 0)); + expectEqualsInt(0x00000002, rotateLeftChar((char)0x0001, 1)); + expectEqualsInt(0x80000000, rotateLeftChar((char)0x0001, 31)); + expectEqualsInt(0x00000001, rotateLeftChar((char)0x0001, 32)); // overshoot + expectEqualsInt(0x00010002, rotateLeftChar((char)0x8001, 1)); + expectEqualsInt(0x00020004, rotateLeftChar((char)0x8001, 2)); + expectEqualsInt(0x00012340, rotateLeftChar((char)0x1234, 4)); + expectEqualsInt(0x009ABC00, rotateLeftChar((char)0x9ABC, 8)); + expectEqualsInt(0x00FF0000, rotateLeftChar((char)0xFF00, 8)); + for (int i = 0; i < 40; i++) { // overshoot a bit + int j = i & 31; + expectEqualsInt(0x00000000, rotateLeftChar((char)0x0000, i)); + expectEqualsInt((1 << j), rotateLeftChar((char)0x0001, i)); + expectEqualsInt((0x1234 << j) | (0x1234 >>> -j), rotateLeftChar((char)0x1234, i)); + } + } + + public static void testRotateLeftInt() { + expectEqualsInt(0x00000001, rotateLeftInt(0x00000001, 0)); + expectEqualsInt(0x00000002, rotateLeftInt(0x00000001, 1)); + expectEqualsInt(0x80000000, rotateLeftInt(0x00000001, 31)); + expectEqualsInt(0x00000001, rotateLeftInt(0x00000001, 32)); // overshoot + expectEqualsInt(0x00000003, rotateLeftInt(0x80000001, 1)); + expectEqualsInt(0x00000006, rotateLeftInt(0x80000001, 2)); + expectEqualsInt(0x23456781, rotateLeftInt(0x12345678, 4)); + expectEqualsInt(0xBCDEF09A, rotateLeftInt(0x9ABCDEF0, 8)); + for (int i = 0; i < 40; i++) { // overshoot a bit + int j = i & 31; + expectEqualsInt(0x00000000, rotateLeftInt(0x00000000, i)); + expectEqualsInt(0xFFFFFFFF, rotateLeftInt(0xFFFFFFFF, i)); + expectEqualsInt(1 << j, rotateLeftInt(0x00000001, i)); + expectEqualsInt((0x12345678 << j) | (0x12345678 >>> -j), rotateLeftInt(0x12345678, i)); + } + } + + public static void testRotateLeftLong() { + expectEqualsLong(0x0000000000000001L, rotateLeftLong(0x0000000000000001L, 0)); + expectEqualsLong(0x0000000000000002L, rotateLeftLong(0x0000000000000001L, 1)); + expectEqualsLong(0x8000000000000000L, rotateLeftLong(0x0000000000000001L, 63)); + expectEqualsLong(0x0000000000000001L, rotateLeftLong(0x0000000000000001L, 64)); // overshoot + expectEqualsLong(0x0000000000000003L, rotateLeftLong(0x8000000000000001L, 1)); + expectEqualsLong(0x0000000000000006L, rotateLeftLong(0x8000000000000001L, 2)); + expectEqualsLong(0x23456789ABCDEF01L, rotateLeftLong(0x123456789ABCDEF0L, 4)); + expectEqualsLong(0x3456789ABCDEF012L, rotateLeftLong(0x123456789ABCDEF0L, 8)); + for (int i = 0; i < 70; i++) { // overshoot a bit + int j = i & 63; + expectEqualsLong(0x0000000000000000L, rotateLeftLong(0x0000000000000000L, i)); + expectEqualsLong(0xFFFFFFFFFFFFFFFFL, rotateLeftLong(0xFFFFFFFFFFFFFFFFL, i)); + expectEqualsLong(1L << j, rotateLeftLong(0x0000000000000001, i)); + expectEqualsLong((0x123456789ABCDEF0L << j) | (0x123456789ABCDEF0L >>> -j), + rotateLeftLong(0x123456789ABCDEF0L, i)); + } + } + + public static void testRotateRightBoolean() throws Exception { + Method rotateRightBoolean = main2.getMethod("rotateRightBoolean", boolean.class, int.class); + for (int i = 0; i < 40; i++) { // overshoot a bit + int j = i & 31; + expectEqualsInt(0, (int)rotateRightBoolean.invoke(null, false, i)); + expectEqualsInt(1 << (32 - i), (int)rotateRightBoolean.invoke(null, true, i)); + } + } + + public static void testRotateRightByte() { + expectEqualsInt(0xFFFFFF80, rotateRightByte((byte)0x80, 0)); + expectEqualsInt(0x7FFFFFC0, rotateRightByte((byte)0x80, 1)); + expectEqualsInt(0xFFFFFF01, rotateRightByte((byte)0x80, 31)); + expectEqualsInt(0xFFFFFF80, rotateRightByte((byte)0x80, 32)); // overshoot + expectEqualsInt(0xFFFFFFC0, rotateRightByte((byte)0x81, 1)); + expectEqualsInt(0x7FFFFFE0, rotateRightByte((byte)0x81, 2)); + expectEqualsInt(0x20000001, rotateRightByte((byte)0x12, 4)); + expectEqualsInt(0x9AFFFFFF, rotateRightByte((byte)0x9A, 8)); + for (int i = 0; i < 40; i++) { // overshoot a bit + int j = i & 31; + expectEqualsInt(0x00000000, rotateRightByte((byte)0x00, i)); + expectEqualsInt(0xFFFFFFFF, rotateRightByte((byte)0xFF, i)); + expectEqualsInt(1 << (32 - j), rotateRightByte((byte)0x01, i)); + expectEqualsInt((0x12 >>> j) | (0x12 << -j), rotateRightByte((byte)0x12, i)); + } + } + + public static void testRotateRightShort() { + expectEqualsInt(0xFFFF8000, rotateRightShort((short)0x8000, 0)); + expectEqualsInt(0x7FFFC000, rotateRightShort((short)0x8000, 1)); + expectEqualsInt(0xFFFF0001, rotateRightShort((short)0x8000, 31)); + expectEqualsInt(0xFFFF8000, rotateRightShort((short)0x8000, 32)); // overshoot + expectEqualsInt(0xFFFFC000, rotateRightShort((short)0x8001, 1)); + expectEqualsInt(0x7FFFE000, rotateRightShort((short)0x8001, 2)); + expectEqualsInt(0x40000123, rotateRightShort((short)0x1234, 4)); + expectEqualsInt(0xBCFFFF9A, rotateRightShort((short)0x9ABC, 8)); + for (int i = 0; i < 40; i++) { // overshoot a bit + int j = i & 31; + expectEqualsInt(0x00000000, rotateRightShort((short)0x0000, i)); + expectEqualsInt(0xFFFFFFFF, rotateRightShort((short)0xFFFF, i)); + expectEqualsInt(1 << (32 - j), rotateRightShort((short)0x0001, i)); + expectEqualsInt((0x1234 >>> j) | (0x1234 << -j), rotateRightShort((short)0x1234, i)); + } + } + + public static void testRotateRightChar() { + expectEqualsInt(0x00008000, rotateRightChar((char)0x8000, 0)); + expectEqualsInt(0x00004000, rotateRightChar((char)0x8000, 1)); + expectEqualsInt(0x00010000, rotateRightChar((char)0x8000, 31)); + expectEqualsInt(0x00008000, rotateRightChar((char)0x8000, 32)); // overshoot + expectEqualsInt(0x80004000, rotateRightChar((char)0x8001, 1)); + expectEqualsInt(0x40002000, rotateRightChar((char)0x8001, 2)); + expectEqualsInt(0x40000123, rotateRightChar((char)0x1234, 4)); + expectEqualsInt(0xBC00009A, rotateRightChar((char)0x9ABC, 8)); + for (int i = 0; i < 40; i++) { // overshoot a bit + int j = i & 31; + expectEqualsInt(0x00000000, rotateRightChar((char)0x0000, i)); + expectEqualsInt(1 << (32 - j), rotateRightChar((char)0x0001, i)); + expectEqualsInt((0x1234 >>> j) | (0x1234 << -j), rotateRightChar((char)0x1234, i)); + } + } + + public static void testRotateRightInt() { + expectEqualsInt(0x80000000, rotateRightInt(0x80000000, 0)); + expectEqualsInt(0x40000000, rotateRightInt(0x80000000, 1)); + expectEqualsInt(0x00000001, rotateRightInt(0x80000000, 31)); + expectEqualsInt(0x80000000, rotateRightInt(0x80000000, 32)); // overshoot + expectEqualsInt(0xC0000000, rotateRightInt(0x80000001, 1)); + expectEqualsInt(0x60000000, rotateRightInt(0x80000001, 2)); + expectEqualsInt(0x81234567, rotateRightInt(0x12345678, 4)); + expectEqualsInt(0xF09ABCDE, rotateRightInt(0x9ABCDEF0, 8)); + for (int i = 0; i < 40; i++) { // overshoot a bit + int j = i & 31; + expectEqualsInt(0x00000000, rotateRightInt(0x00000000, i)); + expectEqualsInt(0xFFFFFFFF, rotateRightInt(0xFFFFFFFF, i)); + expectEqualsInt(0x80000000 >>> j, rotateRightInt(0x80000000, i)); + expectEqualsInt((0x12345678 >>> j) | (0x12345678 << -j), rotateRightInt(0x12345678, i)); + } + } + + public static void testRotateRightLong() { + expectEqualsLong(0x8000000000000000L, rotateRightLong(0x8000000000000000L, 0)); + expectEqualsLong(0x4000000000000000L, rotateRightLong(0x8000000000000000L, 1)); + expectEqualsLong(0x0000000000000001L, rotateRightLong(0x8000000000000000L, 63)); + expectEqualsLong(0x8000000000000000L, rotateRightLong(0x8000000000000000L, 64)); // overshoot + expectEqualsLong(0xC000000000000000L, rotateRightLong(0x8000000000000001L, 1)); + expectEqualsLong(0x6000000000000000L, rotateRightLong(0x8000000000000001L, 2)); + expectEqualsLong(0x0123456789ABCDEFL, rotateRightLong(0x123456789ABCDEF0L, 4)); + expectEqualsLong(0xF0123456789ABCDEL, rotateRightLong(0x123456789ABCDEF0L, 8)); + for (int i = 0; i < 70; i++) { // overshoot a bit + int j = i & 63; + expectEqualsLong(0x0000000000000000L, rotateRightLong(0x0000000000000000L, i)); + expectEqualsLong(0xFFFFFFFFFFFFFFFFL, rotateRightLong(0xFFFFFFFFFFFFFFFFL, i)); + expectEqualsLong(0x8000000000000000L >>> j, rotateRightLong(0x8000000000000000L, i)); + expectEqualsLong((0x123456789ABCDEF0L >>> j) | (0x123456789ABCDEF0L << -j), + rotateRightLong(0x123456789ABCDEF0L, i)); + } + } + + + public static void testRotateLeftIntWithByteDistance() { + expectEqualsInt(0x00000001, rotateLeftIntWithByteDistance(0x00000001, (byte)0)); + expectEqualsInt(0x00000002, rotateLeftIntWithByteDistance(0x00000001, (byte)1)); + expectEqualsInt(0x80000000, rotateLeftIntWithByteDistance(0x00000001, (byte)31)); + expectEqualsInt(0x00000001, rotateLeftIntWithByteDistance(0x00000001, (byte)32)); // overshoot + expectEqualsInt(0x00000003, rotateLeftIntWithByteDistance(0x80000001, (byte)1)); + expectEqualsInt(0x00000006, rotateLeftIntWithByteDistance(0x80000001, (byte)2)); + expectEqualsInt(0x23456781, rotateLeftIntWithByteDistance(0x12345678, (byte)4)); + expectEqualsInt(0xBCDEF09A, rotateLeftIntWithByteDistance(0x9ABCDEF0, (byte)8)); + for (byte i = 0; i < 40; i++) { // overshoot a bit + byte j = (byte)(i & 31); + expectEqualsInt(0x00000000, rotateLeftIntWithByteDistance(0x00000000, i)); + expectEqualsInt(0xFFFFFFFF, rotateLeftIntWithByteDistance(0xFFFFFFFF, i)); + expectEqualsInt(1 << j, rotateLeftIntWithByteDistance(0x00000001, i)); + expectEqualsInt((0x12345678 << j) | (0x12345678 >>> -j), + rotateLeftIntWithByteDistance(0x12345678, i)); + } + } + + public static void testRotateRightIntWithByteDistance() { + expectEqualsInt(0x80000000, rotateRightIntWithByteDistance(0x80000000, (byte)0)); + expectEqualsInt(0x40000000, rotateRightIntWithByteDistance(0x80000000, (byte)1)); + expectEqualsInt(0x00000001, rotateRightIntWithByteDistance(0x80000000, (byte)31)); + expectEqualsInt(0x80000000, rotateRightIntWithByteDistance(0x80000000, (byte)32)); // overshoot + expectEqualsInt(0xC0000000, rotateRightIntWithByteDistance(0x80000001, (byte)1)); + expectEqualsInt(0x60000000, rotateRightIntWithByteDistance(0x80000001, (byte)2)); + expectEqualsInt(0x81234567, rotateRightIntWithByteDistance(0x12345678, (byte)4)); + expectEqualsInt(0xF09ABCDE, rotateRightIntWithByteDistance(0x9ABCDEF0, (byte)8)); + for (byte i = 0; i < 40; i++) { // overshoot a bit + byte j = (byte)(i & 31); + expectEqualsInt(0x00000000, rotateRightIntWithByteDistance(0x00000000, i)); + expectEqualsInt(0xFFFFFFFF, rotateRightIntWithByteDistance(0xFFFFFFFF, i)); + expectEqualsInt(0x80000000 >>> j, rotateRightIntWithByteDistance(0x80000000, i)); + expectEqualsInt((0x12345678 >>> j) | (0x12345678 << -j), + rotateRightIntWithByteDistance(0x12345678, i)); + } + } + + + public static void main(String args[]) throws Exception { + main2 = Class.forName("Main2"); + + testRotateLeftBoolean(); + testRotateLeftByte(); + testRotateLeftShort(); + testRotateLeftChar(); + testRotateLeftInt(); + testRotateLeftLong(); + + testRotateRightBoolean(); + testRotateRightByte(); + testRotateRightShort(); + testRotateRightChar(); + testRotateRightInt(); + testRotateRightLong(); + + // Also exercise distance values with types other than int. + testRotateLeftIntWithByteDistance(); + testRotateRightIntWithByteDistance(); + + System.out.println("passed"); + } + + + private static void expectEqualsInt(int expected, int result) { + if (expected != result) { + throw new Error("Expected: " + expected + ", found: " + result); + } + } + + private static void expectEqualsLong(long expected, long result) { + if (expected != result) { + throw new Error("Expected: " + expected + ", found: " + result); + } + } +} |