skia2/tests/DataRefTest.cpp
reed@google.com a63a851afb update test for new NewFromCString behavior
git-svn-id: http://skia.googlecode.com/svn/trunk@4431 2bbb7eff-a529-9590-31e7-b0007b416f81
2012-07-02 20:29:00 +00:00

73 lines
2.2 KiB
C++

/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Test.h"
#include "SkData.h"
static void* gGlobal;
static void delete_int_proc(const void* ptr, size_t len, void* context) {
int* data = (int*)ptr;
SkASSERT(context == gGlobal);
delete[] data;
}
static void assert_len(skiatest::Reporter* reporter, SkData* ref, size_t len) {
REPORTER_ASSERT(reporter, ref->size() == len);
}
static void assert_data(skiatest::Reporter* reporter, SkData* ref,
const void* data, size_t len) {
REPORTER_ASSERT(reporter, ref->size() == len);
REPORTER_ASSERT(reporter, !memcmp(ref->data(), data, len));
}
static void test_cstring(skiatest::Reporter* reporter) {
const char str[] = "Hello world";
size_t len = strlen(str);
SkAutoTUnref<SkData> r0(SkData::NewWithCopy(str, len + 1));
SkAutoTUnref<SkData> r1(SkData::NewWithCString(str));
REPORTER_ASSERT(reporter, r0->equals(r1));
SkAutoTUnref<SkData> r2(SkData::NewWithCString(NULL));
REPORTER_ASSERT(reporter, 1 == r2->size());
REPORTER_ASSERT(reporter, 0 == *r2->bytes());
}
static void TestDataRef(skiatest::Reporter* reporter) {
const char* str = "We the people, in order to form a more perfect union.";
const int N = 10;
SkAutoTUnref<SkData> r0(SkData::NewEmpty());
SkAutoTUnref<SkData> r1(SkData::NewWithCopy(str, strlen(str)));
SkAutoTUnref<SkData> r2(SkData::NewWithProc(new int[N], N*sizeof(int),
delete_int_proc, gGlobal));
SkAutoTUnref<SkData> r3(SkData::NewSubset(r1, 7, 6));
assert_len(reporter, r0, 0);
assert_len(reporter, r1, strlen(str));
assert_len(reporter, r2, N * sizeof(int));
assert_len(reporter, r3, 6);
assert_data(reporter, r1, str, strlen(str));
assert_data(reporter, r3, "people", 6);
SkData* tmp = SkData::NewSubset(r1, strlen(str), 10);
assert_len(reporter, tmp, 0);
tmp->unref();
tmp = SkData::NewSubset(r1, 0, 0);
assert_len(reporter, tmp, 0);
tmp->unref();
test_cstring(reporter);
}
#include "TestClassDef.h"
DEFINE_TESTCLASS("DataRef", DataRefTestClass, TestDataRef)