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/*
* Copyright Amazon.com Inc. 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.
*/
#include "unittest.hpp"
#include "memory/allocation.hpp"
#include "memory/resourceArea.inline.hpp"
#include "runtime/thread.hpp"
TEST(absTest, sanity) {
// Simple integer cases
EXPECT_EQ(0, ABS(0));
EXPECT_EQ(1, ABS(1));
EXPECT_EQ(1, ABS(-1));
// Simple floating point cases, should be exactly representable
EXPECT_EQ(0.0f, ABS(0.0f));
EXPECT_EQ(1.0f, ABS(1.0f));
EXPECT_EQ(1.0f, ABS(-1.0f));
EXPECT_EQ(0.0, ABS(0.0));
EXPECT_EQ(1.0, ABS(1.0));
EXPECT_EQ(1.0, ABS(-1.0));
// Upper bounds for unsigned integers
EXPECT_EQ(max_jubyte, ABS(max_jubyte));
EXPECT_EQ(max_jushort, ABS(max_jushort));
EXPECT_EQ(max_juint, ABS(max_juint));
EXPECT_EQ(max_julong, ABS(max_julong));
// Upper bounds for signed integers
EXPECT_EQ(max_jbyte, ABS(max_jbyte));
EXPECT_EQ(max_jshort, ABS(max_jshort));
EXPECT_EQ(max_jint, ABS(max_jint));
EXPECT_EQ(max_jlong, ABS(max_jlong));
// Lower valid bounds for signed integers
EXPECT_EQ(max_jbyte, ABS(min_jbyte + 1));
EXPECT_EQ(max_jshort, ABS(min_jshort + 1));
EXPECT_EQ(max_jint, ABS(min_jint + 1));
EXPECT_EQ(max_jlong, ABS(min_jlong + 1));
// Lower bounds for signed integers after explicit FP cast
EXPECT_TRUE(ABS((float)min_jbyte) > 0);
EXPECT_TRUE(ABS((float)min_jshort) > 0);
EXPECT_TRUE(ABS((float)min_jint) > 0);
EXPECT_TRUE(ABS((float)min_jlong) > 0);
}
// Now check what happens when we feed invalid arguments.
#ifndef ASSERT
// In release builds, ABS would return incorrect values.
TEST(absTest, release_sanity) {
EXPECT_EQ(min_jbyte, ABS(min_jbyte));
EXPECT_EQ(min_jshort, ABS(min_jshort));
EXPECT_EQ(min_jint, ABS(min_jint));
EXPECT_EQ(min_jlong, ABS(min_jlong));
}
#else
// In debug builds, ABS would assert.
TEST_VM_ASSERT_MSG(absTest, debug_sanity_min_jbyte,
"Error: ABS: argument should not allow overflow") {
jbyte r = ABS(min_jbyte); // should fail
EXPECT_TRUE(r > 0); // should not be normally reachable
}
TEST_VM_ASSERT_MSG(absTest, debug_sanity_min_jshort,
"Error: ABS: argument should not allow overflow") {
jshort r = ABS(min_jshort); // should fail
EXPECT_TRUE(r > 0); // should not be normally reachable
}
TEST_VM_ASSERT_MSG(absTest, debug_sanity_min_jint,
"Error: ABS: argument should not allow overflow") {
jint r = ABS(min_jint); // should fail
EXPECT_TRUE(r > 0); // should not be normally reachable
}
TEST_VM_ASSERT_MSG(absTest, debug_sanity_min_jlong,
"Error: ABS: argument should not allow overflow") {
jlong r = ABS(min_jlong); // should fail
EXPECT_TRUE(r > 0); // should not be normally reachable
}
#endif
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