third_party/ots/test/table_dependencies_test.cc

   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