b45bbef206
unittests.fast, unittests.prof, and unittests.perf had failing tests due to the stripping of asserts via compiler optimization. This patch alters the unittests to skip these tests when TRACING_ON == 0. Change-Id: I2d4ab795ecfc2c4556b5eb1877635409d0836ec6 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/34898 Reviewed-by: Jason Lowe-Power <power.jg@gmail.com> Maintainer: Jason Lowe-Power <power.jg@gmail.com> Tested-by: kokoro <noreply+kokoro@google.com>
124 lines
4.0 KiB
C++
124 lines
4.0 KiB
C++
/*
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* Copyright (c) 2019 The Regents of the University of California
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* All rights reserved
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <gtest/gtest.h>
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#include "base/intmath.hh"
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TEST(IntmathTest, isPowerOf2)
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{
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EXPECT_TRUE(isPowerOf2(1));
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EXPECT_TRUE(isPowerOf2(65536));
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EXPECT_TRUE(isPowerOf2(131072));
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EXPECT_TRUE(isPowerOf2(262144));
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EXPECT_FALSE(isPowerOf2(0));
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EXPECT_FALSE(isPowerOf2(2521));
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EXPECT_FALSE(isPowerOf2(1679616));
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}
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TEST(IntmathTest, power)
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{
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EXPECT_EQ(65536, power(2, 16));
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EXPECT_EQ(9765625, power(5, 10));
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EXPECT_EQ(43046721, power(power(3, 4), 4));
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}
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TEST(IntmathTest, floorLog2)
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{
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EXPECT_EQ(0, floorLog2(1));
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EXPECT_EQ(4, floorLog2(16));
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EXPECT_EQ(4, floorLog2(31));
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EXPECT_EQ(5, floorLog2(36));
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EXPECT_EQ(8, floorLog2(436));
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EXPECT_EQ(16, floorLog2(65537));
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EXPECT_EQ(20, floorLog2(1783592));
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EXPECT_EQ(41, floorLog2(2821109907456));
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// Test unsigned integers of various sizes.
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EXPECT_EQ(0, floorLog2((uint8_t)1));
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EXPECT_EQ(0, floorLog2((uint16_t)1));
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EXPECT_EQ(0, floorLog2((uint32_t)1));
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EXPECT_EQ(0, floorLog2((uint64_t)1));
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// Test signed integers of various sizes.
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EXPECT_EQ(0, floorLog2((int8_t)1));
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EXPECT_EQ(0, floorLog2((int16_t)1));
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EXPECT_EQ(0, floorLog2((int32_t)1));
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EXPECT_EQ(0, floorLog2((int64_t)1));
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}
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/* The IntmathDeathTest floorLog2 test is dependent on an assert being
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* triggered. We therefore only run this test for .debug and .opt (where
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* `TRACING_ON == 1`).
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*/
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#if TRACING_ON
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TEST(IntmathDeathTest, floorLog2)
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{
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// Verify a non-positive input triggers an assert.
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EXPECT_DEATH_IF_SUPPORTED(floorLog2(0), "x > 0");
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}
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#endif
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TEST(IntmathTest, ceilLog2)
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{
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EXPECT_EQ(0, ceilLog2(1));
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EXPECT_EQ(4, ceilLog2(16));
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EXPECT_EQ(5, ceilLog2(31));
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EXPECT_EQ(6, ceilLog2(36));
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EXPECT_EQ(9, ceilLog2(436));
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EXPECT_EQ(17, ceilLog2(65537));
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EXPECT_EQ(21, ceilLog2(1783592));
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EXPECT_EQ(42, ceilLog2(2821109907456));
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}
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TEST(IntmathTest, divCeil)
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{
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EXPECT_EQ(5, divCeil(55, 13));
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EXPECT_EQ(90, divCeil(7922, 89));
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EXPECT_EQ(4, divCeil(4800, 1442));
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EXPECT_EQ(4, divCeil(75, 24));
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EXPECT_EQ(46, divCeil(451, 10));
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}
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TEST(IntmathTest, roundUp)
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{
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EXPECT_EQ(4104, roundUp(4101, 4));
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EXPECT_EQ(4112, roundUp(4105, 8));
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EXPECT_EQ(4112, roundUp(4101, 16));
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EXPECT_EQ(8192, roundUp(7991, 256));
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}
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TEST(IntmathTest, roundDown)
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{
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EXPECT_EQ(4100, roundDown(4101, 4));
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EXPECT_EQ(4104, roundDown(4105, 8));
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EXPECT_EQ(4096, roundDown(4101, 16));
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EXPECT_EQ(7936, roundDown(7991, 256));
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}
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