third_party/WebKit/Source/core/css/MediaValuesTest.cpp

   1 // Use of this source code is governed by a BSD-style license that can be
   2 // Copyright 2014 The Chromium Authors. All rights reserved.
   3 // found in the LICENSE file.
   4
   5 #include "config.h"
   6 #include "core/css/MediaValues.h"
   7
   8 #include "core/css/CSSPrimitiveValue.h"
   9 #include "wtf/text/StringBuilder.h"
  10
  11 #include <gtest/gtest.h>
  12
  13 namespace blink {
  14
  15 struct TestCase {
  16     double value;
  17     CSSPrimitiveValue::UnitType type;
  18     unsigned fontSize;
  19     unsigned viewportWidth;
  20     unsigned viewportHeight;
  21     bool success;
  22     int output;
  23 };
  24
  25 TEST(MediaValuesTest, Basic)
  26 {
  27     TestCase testCases[] = {
  28         { 40.0, CSSPrimitiveValue::UnitType::Pixels, 16, 300, 300, true, 40 },
  29         { 40.0, CSSPrimitiveValue::UnitType::Ems, 16, 300, 300, true, 640 },
  30         { 40.0, CSSPrimitiveValue::UnitType::Rems, 16, 300, 300, true, 640 },
  31         { 40.0, CSSPrimitiveValue::UnitType::Exs, 16, 300, 300, true, 320 },
  32         { 40.0, CSSPrimitiveValue::UnitType::Chs, 16, 300, 300, true, 320 },
  33         { 43.0, CSSPrimitiveValue::UnitType::ViewportWidth, 16, 848, 976, true, 364 },
  34         { 43.0, CSSPrimitiveValue::UnitType::ViewportHeight, 16, 848, 976, true, 419 },
  35         { 43.0, CSSPrimitiveValue::UnitType::ViewportMin, 16, 848, 976, true, 364 },
  36         { 43.0, CSSPrimitiveValue::UnitType::ViewportMax, 16, 848, 976, true, 419 },
  37         { 1.3, CSSPrimitiveValue::UnitType::Centimeters, 16, 300, 300, true, 49 },
  38         { 1.3, CSSPrimitiveValue::UnitType::Millimeters, 16, 300, 300, true, 4 },
  39         { 1.3, CSSPrimitiveValue::UnitType::Inches, 16, 300, 300, true, 124 },
  40         { 13, CSSPrimitiveValue::UnitType::Points, 16, 300, 300, true, 17 },
  41         { 1.3, CSSPrimitiveValue::UnitType::Picas, 16, 300, 300, true, 20 },
  42         { 1.3, CSSPrimitiveValue::UnitType::Unknown, 16, 300, 300, false, 20 },
  43         { 0.0, CSSPrimitiveValue::UnitType::Unknown, 0, 0, 0, false, 0.0 } // Do not remove the terminating line.
  44     };
  45
  46
  47     for (unsigned i = 0; testCases[i].viewportWidth; ++i) {
  48         int output = 0;
  49         bool success = MediaValues::computeLength(testCases[i].value,
  50             testCases[i].type,
  51             testCases[i].fontSize,
  52             testCases[i].viewportWidth,
  53             testCases[i].viewportHeight,
  54             output);
  55         ASSERT_EQ(testCases[i].success, success);
  56         if (success)
  57             ASSERT_EQ(testCases[i].output, output);
  58     }
  59 }
  60
  61 } // namespace