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flutter_flutter/engine/core/html/parser/HTMLSrcsetParserTest.cpp
Eric Seidel e0fd75b5ab Make absolute and sort all Sky headers 
This caused us to lose our gn check certification. :(

Turns out gn check was just ignoring all the header
paths it didn't understand and so gn check passing
for sky wasn't meaning much.  I tried to straighten
out some of the mess in this CL, but its going to take
several more rounds of massaging before gn check
passes again.  On the bright side (almost) all of
our headers are absolute now.  Turns out my script
(attached to the bug) didn't notice ../ includes
but I'll fix that in the next patch.

R=abarth@chromium.org
BUG=435361

Review URL: https://codereview.chromium.org/746023002
2014-11-20 17:42:05 -08:00

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// 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 "sky/engine/config.h"
#include "sky/engine/core/html/parser/HTMLSrcsetParser.h"
#include <gtest/gtest.h>
#include <limits.h>
namespace blink {
typedef struct {
float deviceScaleFactor;
int effectiveSize;
const char* srcInput;
const char* srcsetInput;
const char* outputURL;
float outputDensity;
int outputResourceWidth;
} TestCase;
TEST(ImageCandidateTest, Basic)
{
ImageCandidate candidate;
ASSERT_EQ(candidate.density(), 1);
ASSERT_EQ(candidate.resourceWidth(), -1);
ASSERT_EQ(candidate.srcOrigin(), false);
}
TEST(HTMLSrcsetParserTest, Basic)
{
TestCase testCases[] = {
{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", "1x.gif", 1.0, -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},
{2.0, -1, "src.gif", "2x.gif 2e1x", "2x.gif", 20.0, -1},
{2.0, -1, "src.gif", "2x.gif +2x", "2x.gif", 2.0, -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 ,", "4x.gif", 4.0, -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 ,", "4x.gif", 4.0, -1},
{2.0, -1, "", "1x.gif 1x, data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIj4KCTxyZWN0IHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIiBmaWxsPSJncmVlbiIvPgo8L3N2Zz4K 2x", "data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIj4KCTxyZWN0IHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIiBmaWxsPSJncmVlbiIvPgo8L3N2Zz4K", 2.0, -1 },
{2.0, -1, "1x.gif", "data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIj4KCTxyZWN0IHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIiBmaWxsPSJncmVlbiIvPgo8L3N2Zz4K 2x", "data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIj4KCTxyZWN0IHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIiBmaWxsPSJncmVlbiIvPgo8L3N2Zz4K", 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", "400.gif", 1.0, 400},
{1.0, 400, "", "400.gif 400w 400h, 6000.gif 6000w", "400.gif", 1.0, 400},
{2.0, 400, "", "400.gif 400w, 6000.gif 6000w", "6000.gif", 15.0, 6000},
{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},
{1.2, -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, "", ",1x.gif 1x future-descriptor(3x, 4h, whatever), 2x.gif 2x", "1x.gif", 1.0, -1},
{2.0, -1, "", ",1x.gif 1x future-descriptor(3x, 4h, whatever), 2x.gif 2x", "2x.gif", 2.0, -1},
{0, 0, 0, 0, 0, 0} // Do not remove the terminator line.
};
for (unsigned i = 0; testCases[i].srcInput; ++i) {
TestCase test = testCases[i];
ImageCandidate candidate = bestFitSourceForImageAttributes(test.deviceScaleFactor, test.effectiveSize, test.srcInput, test.srcsetInput);
ASSERT_EQ(test.outputDensity, candidate.density());
ASSERT_EQ(test.outputResourceWidth, candidate.resourceWidth());
ASSERT_STREQ(test.outputURL, candidate.toString().ascii().data());
}
}
} // namespace
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