| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "core/html/parser/HTMLSrcsetParser.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include <limits.h> |
| |
| namespace blink { |
| |
| typedef struct { |
| float device_scale_factor; |
| float effective_size; |
| const char* src_input; |
| const char* srcset_input; |
| const char* output_url; |
| float output_density; |
| int output_resource_width; |
| } SrcsetParserTestCase; |
| |
| TEST(ImageCandidateTest, Basic) { |
| ImageCandidate candidate; |
| ASSERT_EQ(candidate.Density(), 1); |
| ASSERT_EQ(candidate.GetResourceWidth(), -1); |
| ASSERT_EQ(candidate.SrcOrigin(), false); |
| } |
| |
| TEST(HTMLSrcsetParserTest, Basic) { |
| SrcsetParserTestCase test_cases[] = { |
| {2.0, 0.5, "", "data:,a 1w, data:,b 2x", "data:,a", 2.0, 1}, |
| {2.0, 1, "", "data:,a 2w, data:,b 2x", "data:,a", 2.0, 2}, |
| {2.0, -1, "", "1x.gif 1x, 2x.gif 2x", "2x.gif", 2.0, -1}, |
| {2.0, -1, "", "1x.gif 1q, 2x.gif 2x", "2x.gif", 2.0, -1}, |
| {1.0, -1, "", "1x.gif 1q, 2x.gif 2x", "2x.gif", 2.0, -1}, |
| {1.0, -1, "", "1x.gif 1x 100h, 2x.gif 2x", "2x.gif", 2.0, -1}, |
| {1.0, -1, "", "1x.gif 1x 100w, 2x.gif 2x", "2x.gif", 2.0, -1}, |
| {1.0, -1, "", "1x.gif 1x 100h 100w, 2x.gif 2x", "2x.gif", 2.0, -1}, |
| {2.0, -1, "", "1x.gif 1x, 2x.gif -2x", "1x.gif", 1.0, -1}, |
| {2.0, -1, "", "0x.gif 0x", "0x.gif", 0.0, -1}, |
| {2.0, -1, "", "0x.gif -0x", "0x.gif", 0.0, -1}, |
| {2.0, -1, "", "neg.gif -2x", "", 1.0, -1}, |
| {2.0, -1, "", "1x.gif 1x, 2x.gif 2q", "1x.gif", 1.0, -1}, |
| {2.0, -1, "", "1x.gif, 2x.gif 2q", "1x.gif", 1.0, -1}, |
| {2.0, -1, "", "1x.gif , 2x.gif 2q", "1x.gif", 1.0, -1}, |
| {2.0, -1, "1x.gif 1x, 2x.gif 2x", "1x.gif 1x, 2x.gif 2x", "2x.gif", 2.0, |
| -1}, |
| {1.0, -1, "1x.gif 1x, 2x.gif 2x", "1x.gif 1x, 2x.gif 2x", "1x.gif", 1.0, |
| -1}, |
| {1.0, -1, "1x.gif 1x, 2x.gif 2x", "", "1x.gif 1x, 2x.gif 2x", 1.0, -1}, |
| {2.0, -1, "src.gif", "1x.gif 1x, 2x.gif 2x", "2x.gif", 2.0, -1}, |
| {1.0, -1, "src.gif", "1x.gif 1x, 2x.gif 2x", "1x.gif", 1.0, -1}, |
| {1.0, -1, "src.gif", "2x.gif 2x", "src.gif", 1.0, -1}, |
| {2.0, -1, "src.gif", "2x.gif 2x", "2x.gif", 2.0, -1}, |
| {2.0, -1, "src.gif", "2x.gif 2px", "src.gif", 1.0, -1}, |
| {2.0, -1, "src.gif", "2x.gif 2ex", "src.gif", 1.0, -1}, |
| {10.0, -1, "src.gif", "2x.gif 2e1x", "2x.gif", 20.0, -1}, |
| {2.0, -1, "src.gif", "2x.gif 2e1x", "src.gif", 1.0, -1}, |
| {2.0, -1, "src.gif", "2x.gif +2x", "src.gif", 1.0, -1}, |
| {1.5, -1, "src.gif", "2x.gif 2x", "2x.gif", 2.0, -1}, |
| {2.5, -1, "src.gif", "2x.gif 2x", "2x.gif", 2.0, -1}, |
| {2.5, -1, "src.gif", "2x.gif 2x, 3x.gif 3x", "3x.gif", 3.0, -1}, |
| {2.0, -1, "", "1x,, , x ,2x ", "1x", 1.0, -1}, |
| {2.0, -1, "", "1x,, , x ,2x ", "1x", 1.0, -1}, |
| {2.0, -1, "", ",,1x,, , x ,2x ", "1x", 1.0, -1}, |
| {2.0, -1, "", ",,1x,,", "1x", 1.0, -1}, |
| {2.0, -1, "", ",1x,", "1x", 1.0, -1}, |
| {2.0, -1, "", |
| "data:image/png;base64,iVBORw0KGgoAAAANSUhEUg 1x, 2x.gif 2x", "2x.gif", |
| 2.0, -1}, |
| {2.0, -1, "", |
| "data:image/png;base64,iVBORw0KGgoAAAANSUhEUg 2x, 1x.gif 1x", |
| "data:image/png;base64,iVBORw0KGgoAAAANSUhEUg", 2.0, -1}, |
| {2.0, -1, "", |
| "1x,, , x ,2x , 1x.gif, 3x, 4x.gif 4x 100z, 5x.gif 5, dx.gif dx, " |
| "2x.gif 2x ,", |
| "2x.gif", 2.0, -1}, |
| {4.0, -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}, |
| {4.0, -1, "", |
| "1x,, , x ,2x , 1x.gif, 3x, 4x.gif 4x 100z, 5x.gif 5, dx.gif dx, " |
| "2x.gif 2x ,", |
| "2x.gif", 2.0, -1}, |
| {1.0, -1, "", |
| "1x,, , x ,2x , 1x.gif, 3x, 4x.gif 4x 100z, 5x.gif 5, dx.gif dx, " |
| "2x.gif 2x ,", |
| "1x", 1.0, -1}, |
| {5.0, -1, "", |
| "1x,, , x ,2x , 1x.gif, 3x, 4x.gif 4x 100z, 5x.gif 5, dx.gif dx, " |
| "2x.gif 2x ,", |
| "2x.gif", 2.0, -1}, |
| {2.0, -1, "", |
| "1x.gif 1x, " |
| "data:image/" |
| "svg+xml;base64," |
| "PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAiIGh" |
| "laWdodD0iMTAwIj4KCTxyZWN0IHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIiBmaWxsPSJncm" |
| "VlbiIvPgo8L3N2Zz4K 2x", |
| "data:image/" |
| "svg+xml;base64," |
| "PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAiIGh" |
| "laWdodD0iMTAwIj4KCTxyZWN0IHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIiBmaWxsPSJncm" |
| "VlbiIvPgo8L3N2Zz4K", |
| 2.0, -1}, |
| {2.0, -1, "1x.gif", |
| "data:image/" |
| "svg+xml;base64," |
| "PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAiIGh" |
| "laWdodD0iMTAwIj4KCTxyZWN0IHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIiBmaWxsPSJncm" |
| "VlbiIvPgo8L3N2Zz4K 2x", |
| "data:image/" |
| "svg+xml;base64," |
| "PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAiIGh" |
| "laWdodD0iMTAwIj4KCTxyZWN0IHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIiBmaWxsPSJncm" |
| "VlbiIvPgo8L3N2Zz4K", |
| 2.0, -1}, |
| {2.0, -1, "1x.svg#red", "1x.svg#green 2x", "1x.svg#green", 2.0, -1}, |
| {2.0, -1, "", "1x.svg#red 1x, 1x.svg#green 2x", "1x.svg#green", 2.0, -1}, |
| {1.0, 400, "", "400.gif 400w, 6000.gif 6000w", "400.gif", 1.0, 400}, |
| {1.0, 400, "", "400.gif 400pw, 6000.gif 6000w", "6000.gif", 15.0, 6000}, |
| {1.0, 400, "fallback.gif", "400.gif 400pw", "fallback.gif", 1.0, -1}, |
| {1.0, 400, "fallback.gif", "400.gif +400w", "fallback.gif", 1.0, -1}, |
| {1.0, 400, "", "400.gif 400w 400h, 6000.gif 6000w", "400.gif", 1.0, 400}, |
| {4.0, 400, "", "400.gif 400w, 6000.gif 6000w", "6000.gif", 15.0, 6000}, |
| {3.8, 400, "", "400.gif 400w, 6000.gif 6000w", "400.gif", 1.0, 400}, |
| {0.9, 800, "src.gif", "400.gif 400w", "400.gif", 0.5, 400}, |
| {0.9, 800, "src.gif", "1x.gif 1x, 400.gif 400w", "1x.gif", 1.0, -1}, |
| {0.9, 800, "src.gif", "1x.gif 0.6x, 400.gif 400w", "1x.gif", 0.6, -1}, |
| {0.9, 800, "src.gif", "1x.gif 1x, 400.gif 720w", "400.gif", 0.9, 720}, |
| {0.9, 800, "src.gif", "1x.gif 1x, 400.gif 719w", "1x.gif", 1.0, -1}, |
| {2.0, 800, "src.gif", "400.gif 400w", "400.gif", 0.5, 400}, |
| {1.0, 400, "src.gif", "800.gif 800w", "800.gif", 2.0, 800}, |
| {1.0, 400, "src.gif", "0.gif 0w, 800.gif 800w", "800.gif", 2.0, 800}, |
| {1.0, 400, "src.gif", "0.gif 0w, 2x.gif 2x", "src.gif", 1.0, -1}, |
| {1.0, 400, "src.gif", "800.gif 2x, 1600.gif 1600w", "800.gif", 2.0, -1}, |
| {1.0, 400, "", "400.gif 400w, 2x.gif 2x", "400.gif", 1.0, 400}, |
| {2.0, 400, "", "400.gif 400w, 2x.gif 2x", "2x.gif", 2.0, -1}, |
| {1.0, 0, "", "400.gif 400w, 6000.gif 6000w", "400.gif", |
| std::numeric_limits<float>::infinity(), 400}, |
| {2.0, -1, "", ", 1x.gif 1x, 2x.gif 2x", "2x.gif", 2.0, -1}, |
| {1.0, -1, "", ",1x.gif 1x, 2x.gif 2x", "1x.gif", 1.0, -1}, |
| {1.0, -1, "", ",1x.gif 1.x , 2x.gif 2x", "2x.gif", 2.0, -1}, |
| {1.2, -1, "", ",1x.gif 1x, 1.4x.gif 1.4x, 2x.gif 2x", "1.4x.gif", 1.4, |
| -1}, |
| {1.0, -1, "", "inf.gif 0.00000000001x", "inf.gif", 1e-11, -1}, |
| {1.0, -1, "", "data:,a ( , data:,b 1x, ), data:,c", "data:,c", 1.0, -1}, |
| {1.0, 1, "", "data:,a 1w 1h", "data:,a", 1.0, 1}, |
| {1.0, -1, "", ",1x.gif 1x future-descriptor(3x, 4h, whatever), 2x.gif 2x", |
| "2x.gif", 2.0, -1}, |
| {2.0, -1, "", ",1x.gif 1x future-descriptor(3x, 4h, whatever), 2x.gif 2x", |
| "2x.gif", 2.0, -1}, |
| {1.0, -1, "", "data:,a 1 w", "", 1.0, -1}, |
| {1.0, -1, "", "data:,a 1 w", "", 1.0, -1}, |
| {1.0, -1, "", "data:,a +1x", "", 1.0, -1}, |
| {1.0, -1, "", "data:,a +1x", "", 1.0, -1}, |
| {1.0, -1, "", "data:,a 1.0x", "data:,a", 1.0, -1}, |
| {1.0, -1, "", "1%20and%202.gif 1x", "1%20and%202.gif", 1.0, -1}, |
| {1.0, 700, "", "data:,a 0.5x, data:,b 1400w", "data:,b", 2.0, 1400}, |
| {0, 0, 0, 0, 0, 0} // Do not remove the terminator line. |
| }; |
| |
| for (unsigned i = 0; test_cases[i].src_input; ++i) { |
| SrcsetParserTestCase test = test_cases[i]; |
| ImageCandidate candidate = BestFitSourceForImageAttributes( |
| test.device_scale_factor, test.effective_size, test.src_input, |
| test.srcset_input); |
| ASSERT_EQ(test.output_density, candidate.Density()); |
| ASSERT_EQ(test.output_resource_width, candidate.GetResourceWidth()); |
| ASSERT_STREQ(test.output_url, candidate.ToString().Ascii().data()); |
| } |
| } |
| |
| } // namespace blink |
