diff options
author | Gabe Black <gabeblack@google.com> | 2017-11-27 19:04:15 -0800 |
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committer | Gabe Black <gabeblack@google.com> | 2017-11-28 11:00:32 +0000 |
commit | d92e96732966ee48db3f8283367c0a1ffd84c1a7 (patch) | |
tree | 3ff6390986b66a79fb6804f8911f4944db69cb34 /src/unittest | |
parent | 60e165116b7785bc612d8ef5c9d22af7fe84e92a (diff) | |
download | gem5-d92e96732966ee48db3f8283367c0a1ffd84c1a7.tar.xz |
tests: Move the bituniontest to be alongside the bitunion header.
Change-Id: I7c1a49c41672a1108fcf67c5505b0441f90588ef
Reviewed-on: https://gem5-review.googlesource.com/6142
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
Diffstat (limited to 'src/unittest')
-rw-r--r-- | src/unittest/SConscript | 1 | ||||
-rw-r--r-- | src/unittest/bituniontest.cc | 194 |
2 files changed, 0 insertions, 195 deletions
diff --git a/src/unittest/SConscript b/src/unittest/SConscript index cca3336b2..37529e3fe 100644 --- a/src/unittest/SConscript +++ b/src/unittest/SConscript @@ -32,7 +32,6 @@ Import('*') Source('unittest.cc') -GTest('bituniontest', 'bituniontest.cc') UnitTest('bitvectest', 'bitvectest.cc') UnitTest('circlebuf', 'circlebuf.cc') UnitTest('cprintftest', 'cprintftest.cc') diff --git a/src/unittest/bituniontest.cc b/src/unittest/bituniontest.cc deleted file mode 100644 index 1f24e7e66..000000000 --- a/src/unittest/bituniontest.cc +++ /dev/null @@ -1,194 +0,0 @@ -/* - * Copyright 2014 Google, Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * Authors: Gabe Black - */ - -#include <gtest/gtest.h> - -#include <cassert> -#include <iostream> - -#include "base/bitunion.hh" -#include "base/cprintf.hh" - -using namespace std; - -namespace { - -BitUnion64(SixtyFour) - Bitfield<39, 32> byte5; - Bitfield<2> bit2; - BitfieldRO<39, 32> byte5RO; - BitfieldWO<39, 32> byte5WO; - SubBitUnion(byte6, 47, 40) - Bitfield<43, 42> bits43To42; - Bitfield<41> bit41; - SignedBitfield<41> bit41Signed; - EndSubBitUnion(byte6) - SignedBitfield<47, 40> byte6Signed; - SignedBitfieldRO<47, 40> byte6SignedRO; - SignedBitfieldWO<47, 40> byte6SignedWO; -EndBitUnion(SixtyFour) - -BitUnion64(EmptySixtyFour) -EndBitUnion(EmptySixtyFour) - -BitUnion32(EmptyThirtyTwo) -EndBitUnion(EmptyThirtyTwo) - -BitUnion16(EmptySixteen) -EndBitUnion(EmptySixteen) - -BitUnion8(EmptyEight) -EndBitUnion(EmptyEight) - -struct ContainingStruct -{ - BitUnion64(Contained) - Bitfield<63, 60> topNibble; - EndBitUnion(Contained) - - Contained contained; -}; - -uint64_t -containingFunc(uint64_t init_val, uint64_t fieldVal) -{ - BitUnion32(Contained) - Bitfield<16, 15> field; - EndBitUnion(Contained) - - Contained contained = init_val; - contained.field = fieldVal; - return contained; -} - -} // anonymous namespace - -// Declare these as global so g++ doesn't ignore them. Initialize them in -// various ways. -EmptySixtyFour emptySixtyFour = 0; -EmptyThirtyTwo emptyThirtyTwo; -EmptySixteen emptySixteen; -EmptyEight emptyEight(0); - -class BitUnionData : public testing::Test { - protected: - SixtyFour sixtyFour; - - void SetUp() override { sixtyFour = 0; } -}; - -TEST_F(BitUnionData, NormalBitfield) -{ - EXPECT_EQ(sixtyFour.byte5, 0); - sixtyFour.byte5 = 0xff; - EXPECT_EQ(sixtyFour, 0xff00000000); - sixtyFour.byte5 = 0xfff; - EXPECT_EQ(sixtyFour, 0xff00000000); - EXPECT_EQ(sixtyFour.byte5, 0xff); -} - -TEST_F(BitUnionData, SingleBitfield) -{ - EXPECT_EQ(sixtyFour.bit2, 0); - sixtyFour.bit2 = 0x1; - EXPECT_EQ(sixtyFour, 0x4); - EXPECT_EQ(sixtyFour.bit2, 0x1); -} - -TEST_F(BitUnionData, ReadOnlyBitfield) -{ - EXPECT_EQ(sixtyFour.byte5RO, 0); - sixtyFour.byte5 = 0xff; - EXPECT_EQ(sixtyFour.byte5RO, 0xff); -} - -TEST_F(BitUnionData, WriteOnlyBitfield) -{ - sixtyFour.byte5WO = 0xff; - EXPECT_EQ(sixtyFour, 0xff00000000); -} - -TEST_F(BitUnionData, SubBitUnions) -{ - EXPECT_EQ(sixtyFour.byte6.bit41, 0); - sixtyFour.byte6 = 0x2; - EXPECT_EQ(sixtyFour.byte6.bit41, 1); - sixtyFour.byte6.bits43To42 = 0x3; - EXPECT_EQ(sixtyFour.byte6, 0xe); - sixtyFour.byte6 = 0xff; - sixtyFour.byte6.bit41 = 0; - EXPECT_EQ(sixtyFour, 0xfd0000000000); -} - -TEST_F(BitUnionData, SignedBitfields) -{ - sixtyFour.byte6 = 0xff; - EXPECT_EQ(sixtyFour.byte6Signed, -1); - EXPECT_EQ(sixtyFour.byte6SignedRO, -1); - sixtyFour.byte6SignedWO = 0; - EXPECT_EQ(sixtyFour.byte6Signed, 0); - EXPECT_EQ(sixtyFour.byte6SignedRO, 0); - EXPECT_EQ(sixtyFour.byte6, 0); -} - -TEST_F(BitUnionData, InsideStruct) -{ - ContainingStruct containing; - containing.contained = 0; - containing.contained.topNibble = 0xd; - EXPECT_EQ(containing.contained, 0xd000000000000000); -} - -TEST_F(BitUnionData, InsideFunction) -{ - EXPECT_EQ(containingFunc(0xfffff, 0), 0xe7fff); -} - -TEST_F(BitUnionData, BitfieldToBitfieldAssignment) -{ - SixtyFour otherSixtyFour = 0; - sixtyFour.bit2 = 1; - otherSixtyFour.byte6.bit41 = sixtyFour.bit2; - EXPECT_EQ(otherSixtyFour, 0x20000000000); - otherSixtyFour.bit2 = sixtyFour.bit2; - EXPECT_EQ(otherSixtyFour, 0x20000000004); -} - -TEST_F(BitUnionData, Operators) -{ - SixtyFour otherSixtyFour = 0x4; - sixtyFour = otherSixtyFour; - EXPECT_EQ(sixtyFour, 0x4); - sixtyFour = 0; - EXPECT_TRUE(sixtyFour < otherSixtyFour); - EXPECT_TRUE(otherSixtyFour > sixtyFour); - EXPECT_TRUE(sixtyFour != otherSixtyFour); - sixtyFour = otherSixtyFour; - EXPECT_TRUE(sixtyFour == otherSixtyFour); -} |