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      1 /*
      2  * Copyright 2011 Google Inc. All Rights Reserved.
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 // Must include at the first line to avoid ICU / stdint conflict.
     18 #include "sfntly/port/type.h"
     19 
     20 #include <stdio.h>
     21 #include <unicode/ucnv.h>
     22 #include <unicode/uchar.h>
     23 
     24 #include "gtest/gtest.h"
     25 #include "test/test_utils.h"
     26 
     27 namespace sfntly {
     28 
     29 // Check if proper encoding is being performed
     30 // Conversion is done from UTF16 to UTF8, SJIS
     31 bool TestEncoding() {
     32   UConverter* conv = TestUtils::GetEncoder("utf8");
     33   EXPECT_TRUE(conv != NULL);
     34   // ncde
     35   UChar from[8] = {0x016A, 0x006E, 0x012D, 0x0063, 0x014D, 0x0064, 0x0065,
     36                    0x033D};
     37   int32_t want[12] = {0xc5, 0xaa, 0x6e, 0xc4, 0xad, 0x63, 0xc5, 0x8d, 0x64,
     38                       0x65, 0xcc, 0xbd};
     39   int32_t i, j = 0;
     40   for (i = 0; i < 7; ++i) {
     41     int32_t encoded = TestUtils::EncodeOneChar(conv, (int16_t)from[i]);
     42     for (; encoded; encoded <<= 8) {
     43       byte_t b = (encoded & 0xff000000) >> 24;
     44       if (!b)
     45         continue;
     46       EXPECT_EQ(want[j], b);
     47       if (want[j++] != b) {
     48         ucnv_close(conv);
     49         return false;
     50       }
     51     }
     52   }
     53   ucnv_close(conv);
     54   return true;
     55 }
     56 
     57 // Check if the proper extension is obtained
     58 bool TestExtension() {
     59   // usual file name
     60   const char *result;
     61   result = TestUtils::Extension("../data/ext/tuffy.ttf");
     62   EXPECT_EQ(strcmp(result, ".ttf"), 0);
     63 
     64   // more than one 'extension'
     65   result = TestUtils::Extension("tuffy.ttf.fake");
     66   EXPECT_EQ(strcmp(result, ".fake"), 0);
     67 
     68   // no extension
     69   result = TestUtils::Extension("tuffy");
     70   EXPECT_STREQ(result, NULL);
     71 
     72   // bogus extension
     73   result = TestUtils::Extension("tuffy.");
     74   EXPECT_EQ(strcmp(result, "."), 0);
     75 
     76   return true;
     77 }
     78 
     79 }  // namespace sfntly
     80 
     81 TEST(TestUtils, All) {
     82   ASSERT_TRUE(sfntly::TestExtension());
     83   ASSERT_TRUE(sfntly::TestEncoding());
     84 }
     85