зеркало из https://github.com/mozilla/moz-skia.git
153 строки
4.6 KiB
C++
153 строки
4.6 KiB
C++
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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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#include "Test.h"
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#include "SkData.h"
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#include "SkDataSet.h"
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#include "SkStream.h"
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template <typename T> class SkTUnref {
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public:
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SkTUnref(T* ref) : fRef(ref) {}
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~SkTUnref() { fRef->unref(); }
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operator T*() { return fRef; }
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operator const T*() { return fRef; }
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private:
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T* fRef;
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};
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static void unrefAll(const SkDataSet::Pair pairs[], int count) {
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for (int i = 0; i < count; ++i) {
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pairs[i].fValue->unref();
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}
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}
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// asserts that inner is a subset of outer
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static void test_dataset_subset(skiatest::Reporter* reporter,
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const SkDataSet& outer, const SkDataSet& inner) {
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SkDataSet::Iter iter(inner);
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for (; !iter.done(); iter.next()) {
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SkData* outerData = outer.find(iter.key());
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REPORTER_ASSERT(reporter, outerData);
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REPORTER_ASSERT(reporter, outerData->equals(iter.value()));
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}
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}
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static void test_datasets_equal(skiatest::Reporter* reporter,
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const SkDataSet& ds0, const SkDataSet& ds1) {
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REPORTER_ASSERT(reporter, ds0.count() == ds1.count());
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test_dataset_subset(reporter, ds0, ds1);
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test_dataset_subset(reporter, ds1, ds0);
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}
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static void test_dataset(skiatest::Reporter* reporter, const SkDataSet& ds,
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int count) {
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REPORTER_ASSERT(reporter, ds.count() == count);
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SkDataSet::Iter iter(ds);
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int index = 0;
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for (; !iter.done(); iter.next()) {
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const char* name = iter.key();
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SkData* data = iter.value();
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// SkDebugf("[%d] %s:%s\n", index, name, (const char*)data->bytes());
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index += 1;
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}
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REPORTER_ASSERT(reporter, index == count);
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SkDynamicMemoryWStream ostream;
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ds.writeToStream(&ostream);
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SkMemoryStream istream;
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istream.setData(ostream.copyToData())->unref();
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SkDataSet copy(&istream);
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test_datasets_equal(reporter, ds, copy);
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}
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static void test_dataset(skiatest::Reporter* reporter) {
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SkDataSet set0(NULL, 0);
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SkDataSet set1("hello", SkTUnref<SkData>(SkData::NewWithCString("world")));
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const SkDataSet::Pair pairs[] = {
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{ "one", SkData::NewWithCString("1") },
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{ "two", SkData::NewWithCString("2") },
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{ "three", SkData::NewWithCString("3") },
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};
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SkDataSet set3(pairs, 3);
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unrefAll(pairs, 3);
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test_dataset(reporter, set0, 0);
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test_dataset(reporter, set1, 1);
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test_dataset(reporter, set3, 3);
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}
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static void* gGlobal;
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static void delete_int_proc(const void* ptr, size_t len, void* context) {
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int* data = (int*)ptr;
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SkASSERT(context == gGlobal);
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delete[] data;
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}
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static void assert_len(skiatest::Reporter* reporter, SkData* ref, size_t len) {
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REPORTER_ASSERT(reporter, ref->size() == len);
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}
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static void assert_data(skiatest::Reporter* reporter, SkData* ref,
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const void* data, size_t len) {
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REPORTER_ASSERT(reporter, ref->size() == len);
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REPORTER_ASSERT(reporter, !memcmp(ref->data(), data, len));
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}
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static void test_cstring(skiatest::Reporter* reporter) {
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const char str[] = "Hello world";
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size_t len = strlen(str);
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SkAutoTUnref<SkData> r0(SkData::NewWithCopy(str, len + 1));
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SkAutoTUnref<SkData> r1(SkData::NewWithCString(str));
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REPORTER_ASSERT(reporter, r0->equals(r1));
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SkAutoTUnref<SkData> r2(SkData::NewWithCString(NULL));
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REPORTER_ASSERT(reporter, 1 == r2->size());
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REPORTER_ASSERT(reporter, 0 == *r2->bytes());
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}
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static void TestData(skiatest::Reporter* reporter) {
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const char* str = "We the people, in order to form a more perfect union.";
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const int N = 10;
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SkAutoTUnref<SkData> r0(SkData::NewEmpty());
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SkAutoTUnref<SkData> r1(SkData::NewWithCopy(str, strlen(str)));
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SkAutoTUnref<SkData> r2(SkData::NewWithProc(new int[N], N*sizeof(int),
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delete_int_proc, gGlobal));
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SkAutoTUnref<SkData> r3(SkData::NewSubset(r1, 7, 6));
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assert_len(reporter, r0, 0);
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assert_len(reporter, r1, strlen(str));
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assert_len(reporter, r2, N * sizeof(int));
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assert_len(reporter, r3, 6);
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assert_data(reporter, r1, str, strlen(str));
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assert_data(reporter, r3, "people", 6);
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SkData* tmp = SkData::NewSubset(r1, strlen(str), 10);
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assert_len(reporter, tmp, 0);
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tmp->unref();
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tmp = SkData::NewSubset(r1, 0, 0);
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assert_len(reporter, tmp, 0);
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tmp->unref();
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test_cstring(reporter);
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test_dataset(reporter);
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}
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#include "TestClassDef.h"
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DEFINE_TESTCLASS("Data", DataTestClass, TestData)
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