зеркало из https://github.com/mozilla/moz-skia.git
89 строки
3.2 KiB
C++
89 строки
3.2 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 "SkReader32.h"
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#include "Test.h"
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static void assert_eof(skiatest::Reporter* reporter, const SkReader32& reader) {
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REPORTER_ASSERT(reporter, reader.eof());
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REPORTER_ASSERT(reporter, reader.size() == reader.offset());
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REPORTER_ASSERT(reporter, (const char*)reader.peek() ==
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(const char*)reader.base() + reader.size());
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}
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static void assert_start(skiatest::Reporter* reporter, const SkReader32& reader) {
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REPORTER_ASSERT(reporter, 0 == reader.offset());
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REPORTER_ASSERT(reporter, reader.size() == reader.available());
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REPORTER_ASSERT(reporter, reader.isAvailable(reader.size()));
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REPORTER_ASSERT(reporter, !reader.isAvailable(reader.size() + 1));
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REPORTER_ASSERT(reporter, reader.peek() == reader.base());
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}
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static void assert_empty(skiatest::Reporter* reporter, const SkReader32& reader) {
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REPORTER_ASSERT(reporter, 0 == reader.size());
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REPORTER_ASSERT(reporter, 0 == reader.offset());
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REPORTER_ASSERT(reporter, 0 == reader.available());
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REPORTER_ASSERT(reporter, !reader.isAvailable(1));
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assert_eof(reporter, reader);
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assert_start(reporter, reader);
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}
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static void Tests(skiatest::Reporter* reporter) {
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SkReader32 reader;
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assert_empty(reporter, reader);
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REPORTER_ASSERT(reporter, NULL == reader.base());
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REPORTER_ASSERT(reporter, NULL == reader.peek());
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size_t i;
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const int32_t data[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
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const SkScalar data2[] = { 0, SK_Scalar1, -SK_Scalar1, SK_Scalar1/2 };
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const size_t bufsize = sizeof(data) > sizeof(data2) ?
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sizeof(data) : sizeof(data2);
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char buffer[bufsize];
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reader.setMemory(data, sizeof(data));
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for (i = 0; i < SK_ARRAY_COUNT(data); ++i) {
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REPORTER_ASSERT(reporter, sizeof(data) == reader.size());
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REPORTER_ASSERT(reporter, i*4 == reader.offset());
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REPORTER_ASSERT(reporter, (const void*)data == reader.base());
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REPORTER_ASSERT(reporter, (const void*)&data[i] == reader.peek());
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REPORTER_ASSERT(reporter, data[i] == reader.readInt());
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}
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assert_eof(reporter, reader);
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reader.rewind();
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assert_start(reporter, reader);
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reader.read(buffer, sizeof(data));
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REPORTER_ASSERT(reporter, !memcmp(data, buffer, sizeof(data)));
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reader.setMemory(data2, sizeof(data2));
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for (i = 0; i < SK_ARRAY_COUNT(data2); ++i) {
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REPORTER_ASSERT(reporter, sizeof(data2) == reader.size());
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REPORTER_ASSERT(reporter, i*4 == reader.offset());
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REPORTER_ASSERT(reporter, (const void*)data2 == reader.base());
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REPORTER_ASSERT(reporter, (const void*)&data2[i] == reader.peek());
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REPORTER_ASSERT(reporter, data2[i] == reader.readScalar());
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}
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assert_eof(reporter, reader);
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reader.rewind();
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assert_start(reporter, reader);
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reader.read(buffer, sizeof(data2));
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REPORTER_ASSERT(reporter, !memcmp(data2, buffer, sizeof(data2)));
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reader.setMemory(NULL, 0);
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assert_empty(reporter, reader);
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REPORTER_ASSERT(reporter, NULL == reader.base());
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REPORTER_ASSERT(reporter, NULL == reader.peek());
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}
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#include "TestClassDef.h"
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DEFINE_TESTCLASS("Reader32", Reader32Class, Tests)
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