2012-01-07 07:49:13 +04:00
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/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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2012-05-17 18:28:11 +04:00
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2012-01-07 07:49:13 +04:00
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#include "Test.h"
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2012-05-17 18:28:11 +04:00
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#include "SkChunkAlloc.h"
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2012-01-07 07:49:13 +04:00
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#include "SkUtils.h"
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2012-05-17 18:28:11 +04:00
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static void test_chunkalloc(skiatest::Reporter* reporter) {
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size_t min = 256;
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SkChunkAlloc alloc(min);
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2012-08-23 22:14:13 +04:00
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2012-05-17 18:28:11 +04:00
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REPORTER_ASSERT(reporter, 0 == alloc.totalCapacity());
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REPORTER_ASSERT(reporter, 0 == alloc.blockCount());
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REPORTER_ASSERT(reporter, !alloc.contains(NULL));
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REPORTER_ASSERT(reporter, !alloc.contains(reporter));
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alloc.reset();
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REPORTER_ASSERT(reporter, 0 == alloc.totalCapacity());
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REPORTER_ASSERT(reporter, 0 == alloc.blockCount());
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size_t size = min >> 1;
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void* ptr = alloc.allocThrow(size);
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REPORTER_ASSERT(reporter, alloc.totalCapacity() >= size);
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REPORTER_ASSERT(reporter, alloc.blockCount() > 0);
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REPORTER_ASSERT(reporter, alloc.contains(ptr));
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2012-08-23 22:14:13 +04:00
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2012-05-17 18:28:11 +04:00
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alloc.reset();
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REPORTER_ASSERT(reporter, !alloc.contains(ptr));
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}
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///////////////////////////////////////////////////////////////////////////////
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2012-01-07 07:49:13 +04:00
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static void set_zero(void* dst, size_t bytes) {
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char* ptr = (char*)dst;
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for (size_t i = 0; i < bytes; ++i) {
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ptr[i] = 0;
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}
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}
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#define MAX_ALIGNMENT 64
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#define MAX_COUNT ((MAX_ALIGNMENT) * 32)
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#define PAD 32
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#define TOTAL (PAD + MAX_ALIGNMENT + MAX_COUNT + PAD)
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#define VALUE16 0x1234
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#define VALUE32 0x12345678
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static bool compare16(const uint16_t base[], uint16_t value, int count) {
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for (int i = 0; i < count; ++i) {
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if (base[i] != value) {
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SkDebugf("[%d] expected %x found %x\n", i, value, base[i]);
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return false;
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}
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}
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return true;
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}
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static bool compare32(const uint32_t base[], uint32_t value, int count) {
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for (int i = 0; i < count; ++i) {
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if (base[i] != value) {
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SkDebugf("[%d] expected %x found %x\n", i, value, base[i]);
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return false;
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}
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}
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return true;
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}
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static void test_16(skiatest::Reporter* reporter) {
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uint16_t buffer[TOTAL];
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2012-08-23 22:14:13 +04:00
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2012-01-07 07:49:13 +04:00
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for (int count = 0; count < MAX_COUNT; ++count) {
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for (int alignment = 0; alignment < MAX_ALIGNMENT; ++alignment) {
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set_zero(buffer, sizeof(buffer));
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2012-08-23 22:14:13 +04:00
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2012-01-07 07:49:13 +04:00
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uint16_t* base = &buffer[PAD + alignment];
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sk_memset16(base, VALUE16, count);
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2012-08-23 22:14:13 +04:00
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2012-01-07 07:49:13 +04:00
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compare16(buffer, 0, PAD + alignment);
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compare16(base, VALUE16, count);
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compare16(base + count, 0, TOTAL - count - PAD - alignment);
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}
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}
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}
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static void test_32(skiatest::Reporter* reporter) {
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uint32_t buffer[TOTAL];
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2012-08-23 22:14:13 +04:00
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2012-01-07 07:49:13 +04:00
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for (int count = 0; count < MAX_COUNT; ++count) {
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for (int alignment = 0; alignment < MAX_ALIGNMENT; ++alignment) {
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set_zero(buffer, sizeof(buffer));
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2012-08-23 22:14:13 +04:00
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2012-01-07 07:49:13 +04:00
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uint32_t* base = &buffer[PAD + alignment];
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sk_memset32(base, VALUE32, count);
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2012-08-23 22:14:13 +04:00
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2012-01-07 07:49:13 +04:00
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compare32(buffer, 0, PAD + alignment);
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compare32(base, VALUE32, count);
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compare32(base + count, 0, TOTAL - count - PAD - alignment);
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}
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}
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}
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/**
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* Test sk_memset16 and sk_memset32.
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* For performance considerations, implementations may take different paths
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* depending on the alignment of the dst, and/or the size of the count.
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*/
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static void TestMemset(skiatest::Reporter* reporter) {
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test_16(reporter);
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test_32(reporter);
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2012-08-23 22:14:13 +04:00
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2012-05-17 18:28:11 +04:00
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test_chunkalloc(reporter);
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2012-01-07 07:49:13 +04:00
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};
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#include "TestClassDef.h"
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DEFINE_TESTCLASS("Memset", TestMemsetClass, TestMemset)
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