Source code
Revision control
Copy as Markdown
Other Tools
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "gtest/gtest.h"
#include "mozilla/ImportScanner.h"
#include "mozilla/StaticPrefs_layout.h"
using namespace mozilla;
static nsTArray<nsString> Scan(const char* aCssCode) {
nsTArray<nsString> urls;
ImportScanner scanner;
scanner.Start();
urls.AppendElements(scanner.Scan(NS_ConvertUTF8toUTF16(aCssCode)));
urls.AppendElements(scanner.Stop());
return urls;
}
TEST(ImportScanner, Simple)
{
auto urls = Scan(
"/* Something something */ "
"@charset \"utf-8\";"
"@import url(bar);"
"@import uRL( baz );"
"@import \"bazz)\"");
ASSERT_EQ(urls.Length(), 3u);
ASSERT_EQ(urls[0], u"bar"_ns);
ASSERT_EQ(urls[1], u"baz"_ns);
ASSERT_EQ(urls[2], u"bazz)"_ns);
}
TEST(ImportScanner, UrlWithQuotes)
{
auto urls = Scan(
"/* Something something */ "
"@import url(\"bar\");"
"@import\tuRL( \"baz\" );"
"@imPort\turL( 'bazz' );"
"something else {}"
"@import\turL( 'bazz' ); ");
ASSERT_EQ(urls.Length(), 3u);
ASSERT_EQ(urls[0], u"bar"_ns);
ASSERT_EQ(urls[1], u"baz"_ns);
ASSERT_EQ(urls[2], u"bazz"_ns);
}
TEST(ImportScanner, MediaIsIgnored)
{
auto urls = Scan(
"@chArset \"utf-8\";"
"@import url(\"bar\") print;"
"/* Something something */ "
"@import\tuRL( \"baz\" ) (min-width: 100px);"
"@import\turL( bazz ) (max-width: 100px);");
ASSERT_EQ(urls.Length(), 3u);
ASSERT_EQ(urls[0], u"bar"_ns);
ASSERT_EQ(urls[1], u"baz"_ns);
ASSERT_EQ(urls[2], u"bazz"_ns);
}
TEST(ImportScanner, Layers)
{
auto urls = Scan(
"@layer foo, bar;\n"
"@import url(\"bar\") layer(foo);"
"@import url(\"baz\");"
"@import url(bazz);"
"@layer block {}"
// This one below is invalid now and shouldn't be scanned.
"@import\turL( 'bazzz' ); ");
ASSERT_EQ(urls.Length(), 3u);
ASSERT_EQ(urls[0], u"bar"_ns);
ASSERT_EQ(urls[1], u"baz"_ns);
ASSERT_EQ(urls[2], u"bazz"_ns);
}
TEST(ImportScanner, Supports)
{
auto urls = Scan(
// Supported feature, should be included.
"@import url(bar) supports(display: block);"
// Unsupported feature, should not be included.
"@import url(baz) supports(foo: bar);"
// Supported condition with operator, should be included.
"@import url(bazz) supports((display: flex) and (display: block));"
// Unsupported condition with function, should be not included.
"@import url(bazzz) supports(selector(foo:bar(baz)));"
// Supported large condition with layer, supports, media list
"@import url(bazzzz) layer(A.B) supports(display: flex) (max-width: "
"100px)");
if (StaticPrefs::layout_css_import_supports_enabled()) {
// If the pref is enabled, expect the supports conditions to be evaluated
// and unsupported to not be emitted.
ASSERT_EQ(urls.Length(), 3u);
ASSERT_EQ(urls[0], u"bar"_ns);
ASSERT_EQ(urls[1], u"bazz"_ns);
ASSERT_EQ(urls[2], u"bazzzz"_ns);
} else {
// If disabled, all imports should be included as the supports conditions
// should be ignored.
ASSERT_EQ(urls.Length(), 5u);
ASSERT_EQ(urls[0], u"bar"_ns);
ASSERT_EQ(urls[1], u"baz"_ns);
ASSERT_EQ(urls[2], u"bazz"_ns);
ASSERT_EQ(urls[3], u"bazzz"_ns);
ASSERT_EQ(urls[4], u"bazzzz"_ns);
}
}