skia2/tests/Writer32Test.cpp
reed@google.com dde0956375 add cross-process option to gpipe
add unittests for reader32 and writer32



git-svn-id: http://skia.googlecode.com/svn/trunk@1397 2bbb7eff-a529-9590-31e7-b0007b416f81
2011-05-23 12:21:05 +00:00

91 lines
2.8 KiB
C++

/*
Copyright 2011 Google Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include "SkReader32.h"
#include "SkWriter32.h"
#include "Test.h"
static void test1(skiatest::Reporter* reporter, SkWriter32* writer) {
const uint32_t data[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
for (size_t i = 0; i < SK_ARRAY_COUNT(data); ++i) {
REPORTER_ASSERT(reporter, i*4 == writer->size());
writer->write32(data[i]);
uint32_t* addr = writer->peek32(i * 4);
REPORTER_ASSERT(reporter, data[i] == *addr);
}
char buffer[sizeof(data)];
REPORTER_ASSERT(reporter, sizeof(buffer) == writer->size());
writer->flatten(buffer);
REPORTER_ASSERT(reporter, !memcmp(data, buffer, sizeof(buffer)));
}
static void test2(skiatest::Reporter* reporter, SkWriter32* writer) {
static const char gStr[] = "abcdefghimjklmnopqrstuvwxyz";
size_t i;
size_t len = 0;
for (i = 0; i <= 26; ++i) {
len += SkWriter32::WriteStringSize(gStr, i);
writer->writeString(gStr, i);
}
REPORTER_ASSERT(reporter, writer->size() == len);
SkAutoMalloc storage(len);
writer->flatten(storage.get());
SkReader32 reader;
reader.setMemory(storage.get(), len);
for (i = 0; i <= 26; ++i) {
REPORTER_ASSERT(reporter, !reader.eof());
const char* str = reader.readString(&len);
REPORTER_ASSERT(reporter, i == len);
REPORTER_ASSERT(reporter, strlen(str) == len);
REPORTER_ASSERT(reporter, !memcmp(str, gStr, len));
}
REPORTER_ASSERT(reporter, reader.eof());
}
static void Tests(skiatest::Reporter* reporter) {
// dynamic allocator
{
SkWriter32 writer(256 * 4);
REPORTER_ASSERT(reporter, NULL == writer.getSingleBlock());
test1(reporter, &writer);
writer.reset();
test2(reporter, &writer);
}
// single-block
{
SkWriter32 writer(0);
uint32_t storage[256];
REPORTER_ASSERT(reporter, NULL == writer.getSingleBlock());
writer.reset(storage, sizeof(storage));
REPORTER_ASSERT(reporter, (void*)storage == writer.getSingleBlock());
test1(reporter, &writer);
writer.reset(storage, sizeof(storage));
test2(reporter, &writer);
}
}
#include "TestClassDef.h"
DEFINE_TESTCLASS("Writer32", Writer32Class, Tests)