/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import java.lang.reflect.Method;
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public class Main {
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static long smallLong = 42L;
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static long smallLongShlOne = 84L;
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static long smallLongShrOne = 21L;
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static long smallLongUShrOne = 21L;
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static long longLong = 123456789123456789L;
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static long longLongShlOne = 246913578246913578L;
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static long longLongShrOne = 61728394561728394L;
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static long longLongUShrOne = 61728394561728394L;
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static long negativeSmallLong = -42L;
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static long negativeSmallLongShlOne = -84L;
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static long negativeSmallLongShrOne = -21L;
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static long negativeSmallLongUShrOne = 9223372036854775787L;
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static long negativeLongLong = -123456789123456789L;
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static long negativeLongLongShlOne = -246913578246913578L;
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static long negativeLongLongShrOne = -61728394561728395L;
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static long negativeLongLongUShrOne = 9161643642293047413L;
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private static void assertEquals(long expected, long actual) {
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if (expected != actual) {
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throw new Error("Expected " + expected + ", got " + actual);
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}
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}
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public static void main(String[] args) throws Exception {
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Class<?> c = Class.forName("Test");
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Method m = c.getMethod("shlZero", long.class);
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assertEquals(smallLong, (Long)m.invoke(null, smallLong));
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assertEquals(longLong, (Long)m.invoke(null, longLong));
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m = c.getMethod("shrZero", long.class);
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assertEquals(smallLong, (Long)m.invoke(null, smallLong));
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assertEquals(longLong, (Long)m.invoke(null, longLong));
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m = c.getMethod("ushrZero", long.class);
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assertEquals(smallLong, (Long)m.invoke(null, smallLong));
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assertEquals(longLong, (Long)m.invoke(null, longLong));
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m = c.getMethod("shlOne", long.class);
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assertEquals(smallLongShlOne, (Long)m.invoke(null, smallLong));
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assertEquals(longLongShlOne, (Long)m.invoke(null, longLong));
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m = c.getMethod("shrOne", long.class);
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assertEquals(smallLongShrOne, (Long)m.invoke(null, smallLong));
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assertEquals(longLongShrOne, (Long)m.invoke(null, longLong));
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m = c.getMethod("ushrOne", long.class);
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assertEquals(smallLongUShrOne, (Long)m.invoke(null, smallLong));
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assertEquals(longLongUShrOne, (Long)m.invoke(null, longLong));
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// Test with negative numbers.
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m = c.getMethod("shlZero", long.class);
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assertEquals(negativeSmallLong, (Long)m.invoke(null, negativeSmallLong));
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assertEquals(negativeLongLong, (Long)m.invoke(null, negativeLongLong));
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m = c.getMethod("shrZero", long.class);
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assertEquals(negativeSmallLong, (Long)m.invoke(null, negativeSmallLong));
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assertEquals(negativeLongLong, (Long)m.invoke(null, negativeLongLong));
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m = c.getMethod("ushrZero", long.class);
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assertEquals(negativeSmallLong, (Long)m.invoke(null, negativeSmallLong));
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assertEquals(negativeLongLong, (Long)m.invoke(null, negativeLongLong));
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m = c.getMethod("shlOne", long.class);
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assertEquals(negativeSmallLongShlOne, (Long)m.invoke(null, negativeSmallLong));
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assertEquals(negativeLongLongShlOne, (Long)m.invoke(null, negativeLongLong));
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m = c.getMethod("shrOne", long.class);
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assertEquals(negativeSmallLongShrOne, (Long)m.invoke(null, negativeSmallLong));
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assertEquals(negativeLongLongShrOne, (Long)m.invoke(null, negativeLongLong));
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m = c.getMethod("ushrOne", long.class);
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assertEquals(negativeSmallLongUShrOne, (Long)m.invoke(null, negativeSmallLong));
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assertEquals(negativeLongLongUShrOne, (Long)m.invoke(null, negativeLongLong));
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}
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}
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