1 // Copyright 2014 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.
6 #include "core/html/parser/HTMLSrcsetParser.h"
8 #include <gtest/gtest.h>
14 float deviceScaleFactor;
17 const char* srcsetInput;
18 const char* outputURL;
19 float outputScaleFactor;
20 int outputResourceWidth;
23 TEST(HTMLSrcsetParserTest, Basic)
25 TestCase testCases[] = {
26 {2.0, -1, "", "1x.gif 1x, 2x.gif 2x", "2x.gif", 2.0, -1},
27 {2.0, -1, "", "1x.gif 1x, 2x.gif -2x", "1x.gif", 1.0, -1},
28 {2.0, -1, "", "1x.gif 1x, 2x.gif 2q", "1x.gif", 1.0, -1},
29 {2.0, -1, "1x.gif 1x, 2x.gif 2x", "1x.gif 1x, 2x.gif 2x", "2x.gif", 2.0, -1},
30 {1.0, -1, "1x.gif 1x, 2x.gif 2x", "1x.gif 1x, 2x.gif 2x", "1x.gif", 1.0, -1},
31 {1.0, -1, "1x.gif 1x, 2x.gif 2x", "", "1x.gif 1x, 2x.gif 2x", 1.0, -1},
32 {2.0, -1, "src.gif", "1x.gif 1x, 2x.gif 2x", "2x.gif", 2.0, -1},
33 {1.0, -1, "src.gif", "1x.gif 1x, 2x.gif 2x", "1x.gif", 1.0, -1},
34 {1.0, -1, "src.gif", "2x.gif 2x", "src.gif", 1.0, -1},
35 {2.0, -1, "src.gif", "2x.gif 2x", "2x.gif", 2.0, -1},
36 {1.5, -1, "src.gif", "2x.gif 2x", "2x.gif", 2.0, -1},
37 {2.5, -1, "src.gif", "2x.gif 2x", "2x.gif", 2.0, -1},
38 {2.5, -1, "src.gif", "2x.gif 2x, 3x.gif 3x", "3x.gif", 3.0, -1},
39 {2.0, -1, "", "1x,, , x ,2x ", "1x,", 1.0, -1},
40 {2.0, -1, "", "1x,, , x ,2x ", "1x,", 1.0, -1},
41 {2.0, -1, "", "data:image/png;base64,iVBORw0KGgoAAAANSUhEUg 1x, 2x.gif 2x", "2x.gif", 2.0, -1},
42 {2.0, -1, "", "data:image/png;base64,iVBORw0KGgoAAAANSUhEUg 2x, 1x.gif 1x", "data:image/png;base64,iVBORw0KGgoAAAANSUhEUg", 2.0, -1},
43 {2.0, -1, "", "1x,, , x ,2x , 1x.gif, 3x, 4x.gif 4x 100h, 5x.gif 5, dx.gif dx, 2x.gif 2x ,", "2x.gif", 2.0, -1},
44 {4.0, -1, "", "1x,, , x ,2x , 1x.gif, 3x, 4x.gif 4x 100h, 5x.gif 5, dx.gif dx, 2x.gif 2x ,", "4x.gif", 4.0, -1},
45 {1.0, -1, "", "1x,, , x ,2x , 1x.gif, 3x, 4x.gif 4x 100h, 5x.gif 5, dx.gif dx, 2x.gif 2x ,", "1x,", 1.0, -1},
46 {5.0, -1, "", "1x,, , x ,2x , 1x.gif, 3x, 4x.gif 4x 100h, 5x.gif 5, dx.gif dx, 2x.gif 2x ,", "4x.gif", 4.0, -1},
47 {2.0, -1, "", "1x.gif 1x, data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIj4KCTxyZWN0IHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIiBmaWxsPSJncmVlbiIvPgo8L3N2Zz4K 2x", "data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIj4KCTxyZWN0IHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIiBmaWxsPSJncmVlbiIvPgo8L3N2Zz4K", 2.0, -1 },
48 {2.0, -1, "1x.gif", "data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIj4KCTxyZWN0IHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIiBmaWxsPSJncmVlbiIvPgo8L3N2Zz4K 2x", "data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIj4KCTxyZWN0IHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIiBmaWxsPSJncmVlbiIvPgo8L3N2Zz4K", 2.0, -1 },
49 {2.0, -1, "1x.svg#red", "1x.svg#green 2x", "1x.svg#green", 2.0, -1 },
50 {2.0, -1, "", "1x.svg#red 1x, 1x.svg#green 2x", "1x.svg#green", 2.0, -1 },
51 {1.0, 400, "", "400.gif 400w, 6000.gif 6000w", "400.gif", 1.0, 400},
52 {2.0, 400, "", "400.gif 400w, 6000.gif 6000w", "6000.gif", 15.0, 6000},
53 {1.0, 400, "src.gif", "800.gif 800w", "800.gif", 2.0, 800},
54 {1.0, 400, "src.gif", "0.gif 0w, 800.gif 800w", "800.gif", 2.0, 800},
55 {1.0, 400, "src.gif", "0.gif 0w, 2x.gif 2x", "src.gif", 1.0, -1},
56 {1.0, 400, "src.gif", "800.gif 2x, 1600.gif 1600w", "800.gif", 2.0, -1},
57 {1.0, 400, "", "400.gif 400w, 2x.gif 2x", "400.gif", 1.0, 400},
58 {2.0, 400, "", "400.gif 400w, 2x.gif 2x", "2x.gif", 2.0, -1},
59 {1.0, 0, "", "400.gif 400w, 6000.gif 6000w", "400.gif", std::numeric_limits<float>::infinity(), 400},
60 {0, 0, 0, 0, 0, 0} // Do not remove the terminator line.
63 for (unsigned i = 0; testCases[i].srcInput; ++i) {
64 TestCase test = testCases[i];
65 ImageCandidate candidate = bestFitSourceForImageAttributes(test.deviceScaleFactor, test.effectiveSize, test.srcInput, test.srcsetInput);
66 ASSERT_EQ(test.outputScaleFactor, candidate.scaleFactor());
67 ASSERT_EQ(test.outputResourceWidth, candidate.resourceWidth());
68 ASSERT_STREQ(test.outputURL, candidate.toString().ascii().data());