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/*
* Copyright 2011 Google Inc. All Rights Reserved.
*
* 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 <stdio.h>
#include "gtest/gtest.h"
#include "sfntly/port/file_input_stream.h"
#include "sfntly/data/font_input_stream.h"
#include "test/test_data.h"
namespace sfntly {
bool TestFileInputStream() {
FILE* file_handle = NULL;
#if defined (WIN32)
fopen_s(&file_handle, SAMPLE_TTF_FILE, "rb");
#else
file_handle = fopen(SAMPLE_TTF_FILE, "rb");
#endif
if (file_handle == NULL) {
return false;
}
fseek(file_handle, 0, SEEK_END);
size_t length = ftell(file_handle);
fseek(file_handle, 0, SEEK_SET);
ByteVector b1;
b1.resize(length);
size_t bytes_read = fread(&(b1[0]), 1, length, file_handle);
EXPECT_EQ(bytes_read, length);
fclose(file_handle);
// Full file reading test
FileInputStream is;
is.Open(SAMPLE_TTF_FILE);
EXPECT_EQ(length, (size_t)is.Available());
ByteVector b2;
is.Read(&b2, 0, length);
is.Close();
EXPECT_EQ(memcmp(&(b1[0]), &(b2[0]), length), 0);
b2.clear();
// Partial reading test
is.Open(SAMPLE_TTF_FILE);
is.Skip(89);
is.Read(&b2, 0, 100);
EXPECT_EQ(memcmp(&(b1[89]), &(b2[0]), 100), 0);
b2.clear();
// Skip test
is.Skip(-89);
is.Read(&b2, 0, 100);
EXPECT_EQ(memcmp(&(b1[100]), &(b2[0]), 100), 0);
b2.clear();
is.Skip(100);
is.Read(&b2, 0, 100);
EXPECT_EQ(memcmp(&(b1[300]), &(b2[0]), 100), 0);
is.Skip(-400);
b2.clear();
// Offset test
is.Read(&b2, 0, 100);
is.Read(&b2, 100, 100);
EXPECT_EQ(memcmp(&(b1[0]), &(b2[0]), 200), 0);
// Unread test
ByteVector b3;
b3.resize(200);
is.Unread(&b3);
EXPECT_EQ(memcmp(&(b3[0]), &(b2[0]), 200), 0);
return true;
}
bool TestFontInputStreamBasic() {
FILE* file_handle = NULL;
#if defined (WIN32)
fopen_s(&file_handle, SAMPLE_TTF_FILE, "rb");
#else
file_handle = fopen(SAMPLE_TTF_FILE, "rb");
#endif
if (file_handle == NULL) {
return false;
}
fseek(file_handle, 0, SEEK_END);
size_t length = ftell(file_handle);
fseek(file_handle, 0, SEEK_SET);
ByteVector b1;
b1.resize(length);
size_t bytes_read = fread(&(b1[0]), 1, length, file_handle);
EXPECT_EQ(bytes_read, length);
fclose(file_handle);
FileInputStream is;
is.Open(SAMPLE_TTF_FILE);
FontInputStream font_is1(&is);
EXPECT_EQ((size_t)font_is1.Available(), length);
ByteVector b2;
font_is1.Read(&b2, 0, length);
font_is1.Close();
EXPECT_EQ(memcmp(&(b1[0]), &(b2[0]), length), 0);
b2.clear();
is.Open(SAMPLE_TTF_FILE);
is.Skip(89);
FontInputStream font_is2(&is, 200);
font_is2.Read(&b2, 0, 100);
EXPECT_EQ(memcmp(&(b1[89]), &(b2[0]), 100), 0);
font_is2.Read(&b2, 100, 100);
EXPECT_EQ(memcmp(&(b1[89]), &(b2[0]), 200), 0);
b2.clear();
font_is2.Skip(-200);
font_is2.Read(&b2, 0, 100);
EXPECT_EQ(memcmp(&(b1[89]), &(b2[0]), 100), 0);
return true;
}
bool TestFontInputStreamTableLoading() {
FileInputStream is;
is.Open(SAMPLE_TTF_FILE);
FontInputStream font_is(&is);
font_is.Skip(TTF_OFFSET[SAMPLE_TTF_FEAT]);
FontInputStream gdef_is(&font_is, TTF_LENGTH[SAMPLE_TTF_FEAT]);
ByteVector feat_data;
gdef_is.Read(&feat_data, 0, TTF_LENGTH[SAMPLE_TTF_FEAT]);
EXPECT_EQ(memcmp(&(feat_data[0]), TTF_FEAT_DATA,
TTF_LENGTH[SAMPLE_TTF_FEAT]), 0);
return true;
}
} // namespace sfntly
TEST(FileIO, All) {
ASSERT_TRUE(sfntly::TestFileInputStream());
ASSERT_TRUE(sfntly::TestFontInputStreamBasic());
ASSERT_TRUE(sfntly::TestFontInputStreamTableLoading());
}
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