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      1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include <gtest/gtest.h>
      6 
      7 #include "gsub.h"
      8 #include "ots.h"
      9 #include "ots-memory-stream.h"
     10 #include "vhea.h"
     11 #include "vmtx.h"
     12 
     13 #define SET_TABLE(name, capname) \
     14   do { file.name = new ots::OpenType##capname; } while (0)
     15 #define SET_LAYOUT_TABLE(name, capname)                    \
     16   do {                                                     \
     17     if (!file.name) {                                      \
     18       SET_TABLE(name, capname);                            \
     19     }                                                      \
     20     file.name->data = reinterpret_cast<const uint8_t*>(1); \
     21     file.name->length = 1;                                 \
     22   } while (0)
     23 #define DROP_TABLE(name) \
     24   do { delete file.name; file.name = NULL; } while (0)
     25 #define DROP_LAYOUT_TABLE(name) \
     26   do { file.name->data = NULL; file.name->length = 0; } while (0)
     27 
     28 namespace {
     29 
     30 class TableDependenciesTest : public ::testing::Test {
     31  protected:
     32   virtual void SetUp() {
     33     SET_LAYOUT_TABLE(gsub, GSUB);
     34     SET_TABLE(vhea, VHEA);
     35     SET_TABLE(vmtx, VMTX);
     36   }
     37 
     38   virtual void TearDown() {
     39     DROP_TABLE(gsub);
     40     DROP_TABLE(vhea);
     41     DROP_TABLE(vmtx);
     42   }
     43   ots::OpenTypeFile file;
     44 };
     45 }  // namespace
     46 
     47 TEST_F(TableDependenciesTest, TestVhea) {
     48   EXPECT_TRUE(ots::ots_vhea_should_serialise(&file));
     49 }
     50 
     51 TEST_F(TableDependenciesTest, TestVmtx) {
     52   EXPECT_TRUE(ots::ots_vmtx_should_serialise(&file));
     53 }
     54 
     55 TEST_F(TableDependenciesTest, TestVheaVmtx) {
     56   DROP_TABLE(vmtx);
     57   EXPECT_FALSE(ots::ots_vhea_should_serialise(&file));
     58 }
     59 
     60 TEST_F(TableDependenciesTest, TestVmtxVhea) {
     61   DROP_TABLE(vhea);
     62   EXPECT_FALSE(ots::ots_vmtx_should_serialise(&file));
     63 }
     64 
     65 TEST_F(TableDependenciesTest, TestVheaGsub) {
     66   DROP_LAYOUT_TABLE(gsub);
     67   EXPECT_FALSE(ots::ots_vhea_should_serialise(&file));
     68   DROP_TABLE(gsub);
     69   EXPECT_FALSE(ots::ots_vhea_should_serialise(&file));
     70 }
     71 
     72 TEST_F(TableDependenciesTest, TestVmtxGsub) {
     73   DROP_LAYOUT_TABLE(gsub);
     74   EXPECT_FALSE(ots::ots_vmtx_should_serialise(&file));
     75   DROP_TABLE(gsub);
     76   EXPECT_FALSE(ots::ots_vmtx_should_serialise(&file));
     77 }
     78 
     79