tor-browser

The Tor Browser
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ImportScannerTest.cpp (3125B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #include "gtest/gtest.h"
      8 #include "mozilla/ImportScanner.h"
      9 
     10 using namespace mozilla;
     11 
     12 static nsTArray<nsString> Scan(const char* aCssCode) {
     13  nsTArray<nsString> urls;
     14  ImportScanner scanner;
     15  scanner.Start();
     16  urls.AppendElements(scanner.Scan(NS_ConvertUTF8toUTF16(aCssCode)));
     17  urls.AppendElements(scanner.Stop());
     18  return urls;
     19 }
     20 
     21 TEST(ImportScanner, Simple)
     22 {
     23  auto urls = Scan(
     24      "/* Something something */ "
     25      "@charset \"utf-8\";"
     26      "@import url(bar);"
     27      "@import uRL( baz );"
     28      "@import \"bazz)\"");
     29 
     30  ASSERT_EQ(urls.Length(), 3u);
     31  ASSERT_EQ(urls[0], u"bar"_ns);
     32  ASSERT_EQ(urls[1], u"baz"_ns);
     33  ASSERT_EQ(urls[2], u"bazz)"_ns);
     34 }
     35 
     36 TEST(ImportScanner, UrlWithQuotes)
     37 {
     38  auto urls = Scan(
     39      "/* Something something */ "
     40      "@import url(\"bar\");"
     41      "@import\tuRL( \"baz\" );"
     42      "@imPort\turL( 'bazz' );"
     43      "something else {}"
     44      "@import\turL( 'bazz' ); ");
     45 
     46  ASSERT_EQ(urls.Length(), 3u);
     47  ASSERT_EQ(urls[0], u"bar"_ns);
     48  ASSERT_EQ(urls[1], u"baz"_ns);
     49  ASSERT_EQ(urls[2], u"bazz"_ns);
     50 }
     51 
     52 TEST(ImportScanner, MediaIsIgnored)
     53 {
     54  auto urls = Scan(
     55      "@chArset \"utf-8\";"
     56      "@import url(\"bar\") print;"
     57      "/* Something something */ "
     58      "@import\tuRL( \"baz\" ) (min-width: 100px);"
     59      "@import\turL( bazz ) (max-width: 100px);");
     60 
     61  ASSERT_EQ(urls.Length(), 3u);
     62  ASSERT_EQ(urls[0], u"bar"_ns);
     63  ASSERT_EQ(urls[1], u"baz"_ns);
     64  ASSERT_EQ(urls[2], u"bazz"_ns);
     65 }
     66 
     67 TEST(ImportScanner, Layers)
     68 {
     69  auto urls = Scan(
     70      "@layer foo, bar;\n"
     71      "@import url(\"bar\") layer(foo);"
     72      "@import url(\"baz\");"
     73      "@import url(bazz);"
     74      "@layer block {}"
     75      // This one below is invalid now and shouldn't be scanned.
     76      "@import\turL( 'bazzz' ); ");
     77 
     78  ASSERT_EQ(urls.Length(), 3u);
     79  ASSERT_EQ(urls[0], u"bar"_ns);
     80  ASSERT_EQ(urls[1], u"baz"_ns);
     81  ASSERT_EQ(urls[2], u"bazz"_ns);
     82 }
     83 
     84 TEST(ImportScanner, Supports)
     85 {
     86  auto urls = Scan(
     87      // Supported feature, should be included.
     88      "@import url(bar) supports(display: block);"
     89      // Unsupported feature, should not be included.
     90      "@import url(baz) supports(foo: bar);"
     91      // Supported condition with operator, should be included.
     92      "@import url(bazz) supports((display: flex) and (display: block));"
     93      // Unsupported condition with function, should be not included.
     94      "@import url(bazzz) supports(selector(foo:bar(baz)));"
     95      // Supported large condition with layer, supports, media list
     96      "@import url(bazzzz) layer(A.B) supports(display: flex) (max-width: "
     97      "100px)");
     98 
     99  // expect the supports conditions to be evaluated and unsupported to not be
    100  // emitted.
    101  ASSERT_EQ(urls.Length(), 3u);
    102  ASSERT_EQ(urls[0], u"bar"_ns);
    103  ASSERT_EQ(urls[1], u"bazz"_ns);
    104  ASSERT_EQ(urls[2], u"bazzzz"_ns);
    105 }