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TexCache: unit test the quick tex hash.

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Just a few sample cases to make sure it's behaving correctly.
This commit is contained in:
Unknown W. Brackets 2018-03-25 18:52:16 -07:00
parent f39897cfa5
commit 2f26fdff27
2 changed files with 60 additions and 0 deletions
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59
unittest/UnitTest.cpp
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@ -43,6 +43,7 @@
#include "Core/Config.h"
#include "Core/MIPS/MIPSVFPUUtils.h"
#include "Core/FileSystems/ISOFileSystem.h"
#include "GPU/Common/TextureDecoder.h"
#include "unittest/JitHarness.h"
#include "unittest/TestVertexJit.h"
@ -401,6 +402,63 @@ bool TestParseLBN() {
return true;
}
// So we can use EXPECT_TRUE, etc.
struct AlignedMem {
AlignedMem(size_t sz, size_t alignment = 16) {
p_ = AllocateAlignedMemory(sz, alignment);
}
~AlignedMem() {
FreeAlignedMemory(p_);
}
operator void *() {
return p_;
}
operator char *() {
return (char *)p_;
}
private:
void *p_;
};
bool TestQuickTexHash() {
SetupTextureDecoder();
static const int BUF_SIZE = 1024;
AlignedMem buf(BUF_SIZE, 16);
memset(buf, 0, BUF_SIZE);
EXPECT_EQ_HEX(DoQuickTexHash(buf, BUF_SIZE), 0xaa756edc);
memset(buf, 1, BUF_SIZE);
EXPECT_EQ_HEX(DoQuickTexHash(buf, BUF_SIZE), 0x66f81b1c);
strncpy(buf, "hello", BUF_SIZE);
EXPECT_EQ_HEX(DoQuickTexHash(buf, BUF_SIZE), 0xf6028131);
strncpy(buf, "goodbye", BUF_SIZE);
EXPECT_EQ_HEX(DoQuickTexHash(buf, BUF_SIZE), 0xef81b54f);
// Simple patterns.
for (int i = 0; i < BUF_SIZE; ++i) {
char *p = buf;
p[i] = i & 0xFF;
}
EXPECT_EQ_HEX(DoQuickTexHash(buf, BUF_SIZE), 0x0d64531c);
int j = 573;
for (int i = 0; i < BUF_SIZE; ++i) {
char *p = buf;
j += ((i * 7) + (i & 3)) * 11;
p[i] = j & 0xFF;
}
EXPECT_EQ_HEX(DoQuickTexHash(buf, BUF_SIZE), 0x58de8dbc);
return false;
}
typedef bool (*TestFunc)();
struct TestItem {
const char *name;
@ -432,6 +490,7 @@ TestItem availableTests[] = {
TEST_ITEM(Jit),
TEST_ITEM(MatrixTranspose),
TEST_ITEM(ParseLBN),
TEST_ITEM(QuickTexHash),
};
int main(int argc, const char *argv[]) {

1
unittest/UnitTest.h
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@ -3,6 +3,7 @@
#define EXPECT_TRUE(a) if (!(a)) { printf("%s:%i: Test Fail\n", __FUNCTION__, __LINE__); return false; }
#define EXPECT_FALSE(a) if ((a)) { printf("%s:%i: Test Fail\n", __FUNCTION__, __LINE__); return false; }
#define EXPECT_EQ_INT(a, b) if ((a) != (b)) { printf("%s:%i: Test Fail\n%d\nvs\n%d\n", __FUNCTION__, __LINE__, a, b); return false; }
#define EXPECT_EQ_HEX(a, b) if ((a) != (b)) { printf("%s:%i: Test Fail\n%x\nvs\n%x\n", __FUNCTION__, __LINE__, a, b); return false; }
#define EXPECT_EQ_FLOAT(a, b) if ((a) != (b)) { printf("%s:%i: Test Fail\n%f\nvs\n%f\n", __FUNCTION__, __LINE__, a, b); return false; }
#define EXPECT_APPROX_EQ_FLOAT(a, b) if (fabsf((a)-(b))>0.00001f) { printf("%s:%i: Test Fail\n%f\nvs\n%f\n", __FUNCTION__, __LINE__, a, b); /*return false;*/ }
#define EXPECT_EQ_STR(a, b) if (a != b) { printf("%s: Test Fail\n%s\nvs\n%s\n", __FUNCTION__, a.c_str(), b.c_str()); return false; }