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[UT] Improve GetNonZeroCount tests

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Reduce duplication.
Test more combinations.
Always test boundary cases.
This commit is contained in:
Sindre Aamås 2016-04-19 20:50:34 +02:00
parent eb9f56584f
commit d906dda224
1 changed files with 28 additions and 15 deletions
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43
test/encoder/EncUT_EncoderMbAux.cpp
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@ -267,26 +267,39 @@ GENERATE_UT_FOR_COPY (16, 8, WelsCopy16x8NotAligned_sse2);
GENERATE_UT_FOR_COPY (16, 16, WelsCopy16x16NotAligned_sse2);
GENERATE_UT_FOR_COPY (16, 16, WelsCopy16x16_sse2);
#endif
TEST (EncodeMbAuxTest, WelsGetNoneZeroCount_c) {
namespace {
void TestGetNoneZeroCount (PGetNoneZeroCountFunc func) {
ENFORCE_STACK_ALIGN_1D (int16_t, pLevel, 16, 16);
int32_t result = 0;
for (int i = 0; i < 16; i++) {
pLevel[i] = (rand() & 0x07) - 4;
if (pLevel[i]) result ++;
const int num_test_runs = 1000;
for (int run = 0; run < num_test_runs; run++) {
const bool all_zero = run == 0;
const bool all_nonzero = run == 1;
int result = 0;
for (int i = 0; i < 16; i++) {
const int r = rand();
if (all_zero)
pLevel[i] = 0;
else if (all_nonzero)
pLevel[i] = r % 0xFFFF - 0x8000 ? r % 0xFFFF - 0x8000 : 0x7FFF;
else
pLevel[i] = (r >> 16 & 1) * ((r & 0xFFFF) - 0x8000);
result += pLevel[i] != 0;
}
const int32_t nnz = func (pLevel);
EXPECT_EQ (nnz, result);
}
int32_t nnz = WelsGetNoneZeroCount_c (pLevel);
EXPECT_EQ (nnz, result);
}
} // anon ns.
TEST (EncodeMbAuxTest, WelsGetNoneZeroCount_c) {
TestGetNoneZeroCount (WelsGetNoneZeroCount_c);
}
#ifdef X86_ASM
TEST (EncodeMbAuxTest, WelsGetNoneZeroCount_sse2) {
ENFORCE_STACK_ALIGN_1D (int16_t, pLevel, 16, 16);
int32_t result = 0;
for (int i = 0; i < 16; i++) {
pLevel[i] = (rand() & 0x07) - 4;
if (pLevel[i]) result ++;
}
int32_t nnz = WelsGetNoneZeroCount_sse2 (pLevel);
EXPECT_EQ (nnz, result);
TestGetNoneZeroCount (WelsGetNoneZeroCount_sse2);
}
#endif
#define WELS_ABS_LC(a) ((sign ^ (int32_t)(a)) - sign)