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/*
* 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 "SkReader32.h"
#include "Test.h"
static void assert_eof(skiatest::Reporter* reporter, const SkReader32& reader) {
REPORTER_ASSERT(reporter, reader.eof());
REPORTER_ASSERT(reporter, reader.size() == reader.offset());
REPORTER_ASSERT(reporter, (const char*)reader.peek() ==
(const char*)reader.base() + reader.size());
}
static void assert_start(skiatest::Reporter* reporter, const SkReader32& reader) {
REPORTER_ASSERT(reporter, 0 == reader.offset());
REPORTER_ASSERT(reporter, reader.size() == reader.available());
REPORTER_ASSERT(reporter, reader.isAvailable(reader.size()));
REPORTER_ASSERT(reporter, !reader.isAvailable(reader.size() + 1));
REPORTER_ASSERT(reporter, reader.peek() == reader.base());
}
static void assert_empty(skiatest::Reporter* reporter, const SkReader32& reader) {
REPORTER_ASSERT(reporter, 0 == reader.size());
REPORTER_ASSERT(reporter, 0 == reader.offset());
REPORTER_ASSERT(reporter, 0 == reader.available());
REPORTER_ASSERT(reporter, !reader.isAvailable(1));
assert_eof(reporter, reader);
assert_start(reporter, reader);
}
DEF_TEST(Reader32, reporter) {
SkReader32 reader;
assert_empty(reporter, reader);
REPORTER_ASSERT(reporter, nullptr == reader.base());
REPORTER_ASSERT(reporter, nullptr == reader.peek());
size_t i;
const int32_t data[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
const SkScalar data2[] = { 0, SK_Scalar1, -SK_Scalar1, SK_Scalar1/2 };
const size_t bufsize = sizeof(data) > sizeof(data2) ?
sizeof(data) : sizeof(data2);
char buffer[bufsize];
reader.setMemory(data, sizeof(data));
for (i = 0; i < SK_ARRAY_COUNT(data); ++i) {
REPORTER_ASSERT(reporter, sizeof(data) == reader.size());
REPORTER_ASSERT(reporter, i*4 == reader.offset());
REPORTER_ASSERT(reporter, (const void*)data == reader.base());
REPORTER_ASSERT(reporter, (const void*)&data[i] == reader.peek());
REPORTER_ASSERT(reporter, data[i] == reader.readInt());
}
assert_eof(reporter, reader);
reader.rewind();
assert_start(reporter, reader);
reader.read(buffer, sizeof(data));
REPORTER_ASSERT(reporter, !memcmp(data, buffer, sizeof(data)));
reader.setMemory(data2, sizeof(data2));
for (i = 0; i < SK_ARRAY_COUNT(data2); ++i) {
REPORTER_ASSERT(reporter, sizeof(data2) == reader.size());
REPORTER_ASSERT(reporter, i*4 == reader.offset());
REPORTER_ASSERT(reporter, (const void*)data2 == reader.base());
REPORTER_ASSERT(reporter, (const void*)&data2[i] == reader.peek());
REPORTER_ASSERT(reporter, data2[i] == reader.readScalar());
}
assert_eof(reporter, reader);
reader.rewind();
assert_start(reporter, reader);
reader.read(buffer, sizeof(data2));
REPORTER_ASSERT(reporter, !memcmp(data2, buffer, sizeof(data2)));
reader.setMemory(nullptr, 0);
assert_empty(reporter, reader);
REPORTER_ASSERT(reporter, nullptr == reader.base());
REPORTER_ASSERT(reporter, nullptr == reader.peek());
}
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