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a2d14208b0
Wasn't 100% sure about some of these derivations so let's add tests. Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com> Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37200>
75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
/*
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* Copyright 2025 Intel Corporation
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* SPDX-License-Identifier: MIT
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*/
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#if !defined(_MSC_VER)
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#include <gtest/gtest.h>
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#include "util/lut.h"
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#define EXPECT_LUT3(value, str) \
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EXPECT_STREQ(util_lut3_to_str[value], str)
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TEST(lut, build3)
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{
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EXPECT_LUT3(UTIL_LUT3(a), "a");
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EXPECT_LUT3(UTIL_LUT3(b), "b");
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EXPECT_LUT3(UTIL_LUT3(c), "c");
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EXPECT_LUT3(UTIL_LUT3(a & b), "a & b");
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EXPECT_LUT3(UTIL_LUT3(a ^ b ^ c), "a ^ b ^ c");
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EXPECT_LUT3(UTIL_LUT3(~c ^ (~a) ^ ~b), "a ^ b ^ ~c");
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}
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TEST(lut, build2)
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{
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EXPECT_LUT3(UTIL_LUT2(a), "a & ~c");
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EXPECT_LUT3(UTIL_LUT2(b), "b & ~c");
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EXPECT_LUT3(UTIL_LUT2(a & b), "a & b & ~c");
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EXPECT_LUT3(UTIL_LUT2(~b ^ (~a)), "(a ^ b) & ~c");
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}
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TEST(lut, invert2)
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{
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EXPECT_LUT3(util_lut2_invert(UTIL_LUT2(a & b)), "(~a | ~b) & ~c");
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}
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TEST(lut, invert3)
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{
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EXPECT_LUT3(util_lut3_invert(UTIL_LUT3(a ^ b ^ c)), "a ^ b ^ ~c");
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}
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TEST(lut, invert_source3)
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{
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EXPECT_LUT3(util_lut3_invert_source(UTIL_LUT3(a | b | c), 0), "~a | b | c");
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EXPECT_LUT3(util_lut3_invert_source(UTIL_LUT3(a | b | c), 1), "a | ~b | c");
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EXPECT_LUT3(util_lut3_invert_source(UTIL_LUT3(a | b | c), 2), "a | b | ~c");
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EXPECT_LUT3(util_lut3_invert_source(UTIL_LUT3(a & b), 0), "~a & b");
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EXPECT_LUT3(util_lut3_invert_source(UTIL_LUT3(a & b), 1), "a & ~b");
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EXPECT_LUT3(util_lut3_invert_source(UTIL_LUT3(a & b), 2), "a & b");
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}
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TEST(lut, invert_source2)
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{
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EXPECT_LUT3(util_lut2_invert_source(UTIL_LUT2(a & b), 0), "~a & b & ~c");
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EXPECT_LUT3(util_lut2_invert_source(UTIL_LUT2(a & b), 1), "a & ~b & ~c");
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}
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TEST(lut, swap_sources2)
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{
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EXPECT_LUT3(util_lut2_swap_sources(UTIL_LUT2(a & b)), "a & b & ~c");
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EXPECT_LUT3(util_lut2_swap_sources(UTIL_LUT2(a & ~b)), "~a & b & ~c");
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EXPECT_LUT3(util_lut2_swap_sources(UTIL_LUT2(~a & b)), "a & ~b & ~c");
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EXPECT_LUT3(util_lut2_swap_sources(UTIL_LUT2(~a | b)), "(a | ~b) & ~c");
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}
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TEST(lut, swap_sources3)
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{
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EXPECT_LUT3(util_lut3_swap_sources(UTIL_LUT3(a & b & c), 0, 2), "a & b & c");
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EXPECT_LUT3(util_lut3_swap_sources(UTIL_LUT3(~a & b & c), 0, 2), "a & b & ~c");
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EXPECT_LUT3(util_lut3_swap_sources(UTIL_LUT3(a | ~b | c), 0, 1), "~a | b | c");
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EXPECT_LUT3(util_lut3_swap_sources(UTIL_LUT3(a | ~b | c), 0, 2), "a | ~b | c");
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EXPECT_LUT3(util_lut3_swap_sources(UTIL_LUT3(a | ~b | c), 1, 2), "a | b | ~c");
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}
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#endif
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