cc/test/geometry_test_utils.h

   1 // Copyright 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 #ifndef CC_TEST_GEOMETRY_TEST_UTILS_H_
   6 #define CC_TEST_GEOMETRY_TEST_UTILS_H_
   7
   8 namespace gfx {
   9 class Transform;
  10 }
  11
  12 namespace cc {
  13
  14 // These are macros instead of functions so that we get useful line numbers where a test failed.
  15 #define EXPECT_FLOAT_RECT_EQ(expected, actual) \
  16 do { \
  17     EXPECT_FLOAT_EQ((expected).x(), (actual).x()); \
  18     EXPECT_FLOAT_EQ((expected).y(), (actual).y()); \
  19     EXPECT_FLOAT_EQ((expected).width(), (actual).width()); \
  20     EXPECT_FLOAT_EQ((expected).height(), (actual).height()); \
  21 } while (false)
  22
  23 #define EXPECT_RECT_EQ(expected, actual) \
  24 do { \
  25     EXPECT_EQ((expected).x(), (actual).x()); \
  26     EXPECT_EQ((expected).y(), (actual).y()); \
  27     EXPECT_EQ((expected).width(), (actual).width()); \
  28     EXPECT_EQ((expected).height(), (actual).height()); \
  29 } while (false)
  30
  31 #define EXPECT_SIZE_EQ(expected, actual) \
  32 do { \
  33     EXPECT_EQ((expected).width(), (actual).width()); \
  34     EXPECT_EQ((expected).height(), (actual).height()); \
  35 } while (false)
  36
  37 #define EXPECT_POINT_EQ(expected, actual) \
  38 do { \
  39     EXPECT_EQ((expected).x(), (actual).x()); \
  40     EXPECT_EQ((expected).y(), (actual).y()); \
  41 } while (false)
  42
  43 #define EXPECT_POINT3F_EQ(expected, actual) \
  44 do { \
  45     EXPECT_FLOAT_EQ((expected).x(), (actual).x()); \
  46     EXPECT_FLOAT_EQ((expected).y(), (actual).y()); \
  47     EXPECT_FLOAT_EQ((expected).z(), (actual).z()); \
  48 } while (false)
  49
  50 #define EXPECT_VECTOR_EQ(expected, actual) \
  51 do { \
  52     EXPECT_EQ((expected).x(), (actual).x()); \
  53     EXPECT_EQ((expected).y(), (actual).y()); \
  54 } while (false)
  55
  56 #define EXPECT_FLOAT_ARRAY_EQ(expected, actual, count) \
  57 do { \
  58     for (int i = 0; i < count; i++) {\
  59         EXPECT_FLOAT_EQ((expected)[i], (actual)[i]); \
  60     }\
  61 } while (false)
  62
  63 // This is a function rather than a macro because when this is included as a macro
  64 // in bulk, it causes a significant slow-down in compilation time. This problem
  65 // exists with both gcc and clang, and bugs have been filed at
  66 // http://llvm.org/bugs/show_bug.cgi?id=13651 and http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54337
  67 void ExpectTransformationMatrixEq(const gfx::Transform& expected,
  68                                   const gfx::Transform& actual);
  69
  70 #define EXPECT_TRANSFORMATION_MATRIX_EQ(expected, actual)            \
  71     {                                                                \
  72         SCOPED_TRACE("");                                            \
  73         cc::ExpectTransformationMatrixEq(expected, actual);          \
  74     }
  75
  76 // Should be used in test code only, for convenience. Production code should use
  77 // the gfx::Transform::GetInverse() API.
  78 gfx::Transform inverse(const gfx::Transform& transform);
  79
  80 }  // namespace cc
  81
  82 #endif  // CC_TEST_GEOMETRY_TEST_UTILS_H_