diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/util/bitset_test.cpp | 129 | ||||
| -rw-r--r-- | src/util/meson.build | 12 |
2 files changed, 141 insertions, 0 deletions
diff --git a/src/util/bitset_test.cpp b/src/util/bitset_test.cpp new file mode 100644 index 00000000000..c848e2a795f --- /dev/null +++ b/src/util/bitset_test.cpp @@ -0,0 +1,129 @@ +/* + * Copyright © 2019 Red Hat + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#include <gtest/gtest.h> +#include "util/bitset.h" + +TEST(bitset, sizes) +{ + EXPECT_EQ(sizeof(BITSET_WORD), 4); + + BITSET_DECLARE(mask32, 32); + BITSET_DECLARE(mask64, 64); + BITSET_DECLARE(mask128, 128); + + EXPECT_EQ(sizeof(mask32), 4); + EXPECT_EQ(sizeof(mask64), 8); + EXPECT_EQ(sizeof(mask128), 16); +} + +TEST(bitset, testsetclear) +{ + BITSET_DECLARE(mask128, 128); + BITSET_ZERO(mask128); + + for (int i = 0; i < 128; i++) { + EXPECT_EQ(BITSET_TEST(mask128, i), false); + BITSET_SET(mask128, i); + EXPECT_EQ(BITSET_TEST(mask128, i), true); + BITSET_CLEAR(mask128, i); + EXPECT_EQ(BITSET_TEST(mask128, i), false); + } +} + +TEST(bitset, testsetones) +{ + BITSET_DECLARE(mask128, 128); + BITSET_ONES(mask128); + + EXPECT_EQ(BITSET_FFS(mask128), 1); + + for (int i = 0; i < 128; i++) { + EXPECT_EQ(BITSET_TEST(mask128, i), true); + BITSET_CLEAR(mask128, i); + EXPECT_EQ(BITSET_TEST(mask128, i), false); + BITSET_SET(mask128, i); + EXPECT_EQ(BITSET_TEST(mask128, i), true); + } +} + +TEST(bitset, testbasicrange) +{ + BITSET_DECLARE(mask128, 128); + BITSET_ZERO(mask128); + + const int max_set = 15; + BITSET_SET_RANGE(mask128, 0, max_set); + EXPECT_EQ(BITSET_TEST_RANGE(mask128, 0, max_set), true); + EXPECT_EQ(BITSET_TEST_RANGE(mask128, max_set + 1, max_set + 15), false); + for (int i = 0; i < 128; i++) { + if (i <= max_set) + EXPECT_EQ(BITSET_TEST(mask128, i), true); + else + EXPECT_EQ(BITSET_TEST(mask128, i), false); + } + BITSET_CLEAR_RANGE(mask128, 0, max_set); + EXPECT_EQ(BITSET_TEST_RANGE(mask128, 0, max_set), false); + for (int i = 0; i < 128; i++) { + EXPECT_EQ(BITSET_TEST(mask128, i), false); + } +} + +TEST(bitset, testbitsetffs) +{ + BITSET_DECLARE(mask128, 128); + BITSET_ZERO(mask128); + + EXPECT_EQ(BITSET_FFS(mask128), 0); + + BITSET_SET(mask128, 14); + EXPECT_EQ(BITSET_FFS(mask128), 15); + + BITSET_SET(mask128, 28); + EXPECT_EQ(BITSET_FFS(mask128), 15); + + BITSET_CLEAR(mask128, 14); + EXPECT_EQ(BITSET_FFS(mask128), 29); + + BITSET_SET_RANGE(mask128, 14, 18); + EXPECT_EQ(BITSET_FFS(mask128), 15); +} + +TEST(bitset, testrangebits) +{ + BITSET_DECLARE(mask128, 128); + BITSET_ZERO(mask128); + + BITSET_SET_RANGE(mask128, 0, 31); + BITSET_SET_RANGE(mask128, 32, 63); + BITSET_SET_RANGE(mask128, 64, 95); + BITSET_SET_RANGE(mask128, 96, 127); + + EXPECT_EQ(BITSET_TEST_RANGE(mask128, 0, 31), true); + EXPECT_EQ(BITSET_TEST_RANGE(mask128, 32, 63), true); + EXPECT_EQ(BITSET_TEST_RANGE(mask128, 64, 95), true); + EXPECT_EQ(BITSET_TEST_RANGE(mask128, 96, 127), true); + for (int i = 0; i < 128; i++) { + EXPECT_EQ(BITSET_TEST(mask128, i), true); + } +} diff --git a/src/util/meson.build b/src/util/meson.build index 489b6df1710..dbb903218f2 100644 --- a/src/util/meson.build +++ b/src/util/meson.build @@ -195,6 +195,18 @@ if with_tests suite : ['util'], ) + test( + 'bitset', + executable( + 'bitset_test', + files('bitset_test.cpp'), + include_directories : inc_common, + dependencies : [dep_thread, dep_dl, idep_gtest], + link_with : libmesa_util, + ), + suite : ['util'], + ) + subdir('tests/fast_idiv_by_const') subdir('tests/hash_table') subdir('tests/string_buffer') |