dde0956375
add unittests for reader32 and writer32 git-svn-id: http://skia.googlecode.com/svn/trunk@1397 2bbb7eff-a529-9590-31e7-b0007b416f81
94 lines
3.6 KiB
C++
94 lines
3.6 KiB
C++
/*
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Copyright 2011 Google Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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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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char buffer[SkMax32(sizeof(data), sizeof(data2))];
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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(buffer));
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REPORTER_ASSERT(reporter, !memcmp(data, buffer, sizeof(buffer)));
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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(buffer));
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REPORTER_ASSERT(reporter, !memcmp(data2, buffer, sizeof(buffer)));
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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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