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
13namespace blink {
14
15struct 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
25TEST(MediaValuesTest, Basic)
26{
27    TestCase testCases[] = {
28        { 40.0, CSSPrimitiveValue::CSS_PX, 16, 300, 300, true, 40 },
29        { 40.0, CSSPrimitiveValue::CSS_EMS, 16, 300, 300, true, 640 },
30        { 40.0, CSSPrimitiveValue::CSS_REMS, 16, 300, 300, true, 640 },
31        { 40.0, CSSPrimitiveValue::CSS_EXS, 16, 300, 300, true, 320 },
32        { 40.0, CSSPrimitiveValue::CSS_CHS, 16, 300, 300, true, 320 },
33        { 43.0, CSSPrimitiveValue::CSS_VW, 16, 848, 976, true, 364 },
34        { 43.0, CSSPrimitiveValue::CSS_VH, 16, 848, 976, true, 419 },
35        { 43.0, CSSPrimitiveValue::CSS_VMIN, 16, 848, 976, true, 364 },
36        { 43.0, CSSPrimitiveValue::CSS_VMAX, 16, 848, 976, true, 419 },
37        { 1.3, CSSPrimitiveValue::CSS_CM, 16, 300, 300, true, 49 },
38        { 1.3, CSSPrimitiveValue::CSS_MM, 16, 300, 300, true, 4 },
39        { 1.3, CSSPrimitiveValue::CSS_IN, 16, 300, 300, true, 124 },
40        { 13, CSSPrimitiveValue::CSS_PT, 16, 300, 300, true, 17 },
41        { 1.3, CSSPrimitiveValue::CSS_PC, 16, 300, 300, true, 20 },
42        { 1.3, CSSPrimitiveValue::CSS_UNKNOWN, 16, 300, 300, false, 20 },
43        { 0.0, CSSPrimitiveValue::CSS_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
62