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util/tests: add bitset SHL tests

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Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11321>
This commit is contained in:
Christian Gmeiner 2021-07-09 14:14:31 +02:00 • committed by Marge Bot
parent 6171bc2243
commit 3d3a4b9b01
1 changed files with 76 additions and 0 deletions
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76
src/util/bitset_test.cpp
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@ -246,6 +246,22 @@ TEST(bitset, test_shr_zero)
EXPECT_EQ(BITSET_TEST_RANGE(r, 96, 127), true);
}
TEST(bitset, test_shl_zero)
{
BITSET_DECLARE(r, 128);
BITSET_ZERO(r);
BITSET_SET(r, 0);
BITSET_SHL(r, 0);
EXPECT_EQ(BITSET_TEST(r, 0), true);
EXPECT_EQ(BITSET_TEST_RANGE(r, 0, 31), true);
EXPECT_EQ(BITSET_TEST_RANGE(r, 32, 63), false);
EXPECT_EQ(BITSET_TEST_RANGE(r, 64, 95), false);
EXPECT_EQ(BITSET_TEST_RANGE(r, 96, 127), false);
}
TEST(bitset, test_shr_walking_bit)
{
BITSET_DECLARE(r, 128);
@ -264,6 +280,24 @@ TEST(bitset, test_shr_walking_bit)
EXPECT_EQ(BITSET_TEST_RANGE(r, 96, 127), false);
}
TEST(bitset, test_shl_walking_bit)
{
BITSET_DECLARE(r, 128);
BITSET_ZERO(r);
BITSET_SET(r, 0);
for (unsigned int i = 0; i < 128; i++) {
EXPECT_EQ(BITSET_TEST(r, i), true);
BITSET_SHL(r, 1);
}
EXPECT_EQ(BITSET_TEST_RANGE(r, 0, 31), false);
EXPECT_EQ(BITSET_TEST_RANGE(r, 32, 63), false);
EXPECT_EQ(BITSET_TEST_RANGE(r, 64, 95), false);
EXPECT_EQ(BITSET_TEST_RANGE(r, 96, 127), false);
}
TEST(bitset, test_shr_multiple_words)
{
BITSET_DECLARE(r, 128);
@ -292,6 +326,34 @@ TEST(bitset, test_shr_multiple_words)
EXPECT_EQ(BITSET_TEST(r, 1), true);
}
TEST(bitset, test_shl_multiple_words)
{
BITSET_DECLARE(r, 128);
BITSET_ZERO(r);
BITSET_SET(r, 0);
BITSET_SHL(r, 50);
EXPECT_EQ(BITSET_TEST(r, 0), false);
EXPECT_EQ(BITSET_TEST(r, 50), true);
BITSET_ZERO(r);
BITSET_SET(r, 0);
BITSET_SHL(r, 80);
EXPECT_EQ(BITSET_TEST(r, 0), false);
EXPECT_EQ(BITSET_TEST(r, 80), true);
BITSET_ZERO(r);
BITSET_SET(r, 0);
BITSET_SHL(r, 126);
EXPECT_EQ(BITSET_TEST(r, 0), false);
EXPECT_EQ(BITSET_TEST(r, 126), true);
}
TEST(bitset, test_shr_two_words)
{
BITSET_DECLARE(r, 64);
@ -305,3 +367,17 @@ TEST(bitset, test_shr_two_words)
EXPECT_EQ(BITSET_TEST_RANGE(r, 0, 31), true);
EXPECT_EQ(BITSET_TEST_RANGE(r, 32, 63), false);
}
TEST(bitset, test_shl_two_words)
{
BITSET_DECLARE(r, 64);
BITSET_ZERO(r);
BITSET_SET(r, 0);
BITSET_SHL(r, 50);
EXPECT_EQ(BITSET_TEST(r, 0), false);
EXPECT_EQ(BITSET_TEST(r, 50), true);
EXPECT_EQ(BITSET_TEST_RANGE(r, 0, 31), false);
EXPECT_EQ(BITSET_TEST_RANGE(r, 32, 63), true);
}