| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| // Author: morlovich@google.com (Maksim Orlovich) |
| |
| #include "pagespeed/kernel/base/escaping.h" |
| |
| #include "pagespeed/kernel/base/gtest.h" |
| |
| namespace net_instaweb { |
| |
| namespace { |
| |
| class EscapingTest : public testing::Test { |
| public: |
| void ExpectEscape(const char* name, const char* expect, const char* in) { |
| GoogleString out_unquoted, out_quoted; |
| EscapeToJsStringLiteral(in, false, &out_unquoted); |
| EscapeToJsStringLiteral(in, true, &out_quoted); |
| EXPECT_STREQ(expect, out_unquoted) << " on test " << name; |
| EXPECT_STREQ(StrCat("\"", expect, "\""), out_quoted) << " on test " << name; |
| } |
| }; |
| |
| TEST_F(EscapingTest, JsEscapeBasic) { |
| ExpectEscape("normal", "abc", "abc"); |
| ExpectEscape("quote", "abc\\\"d", "abc\"d"); |
| ExpectEscape("backslash", "abc\\\\d", "abc\\d"); |
| ExpectEscape("carriage_control", "abc\\n\\rde", "abc\n\rde"); |
| } |
| |
| TEST_F(EscapingTest, JsAvoidCloseScript) { |
| ExpectEscape("avoid_close_script", "Foo<\\/script>Bar", "Foo</script>Bar"); |
| ExpectEscape("not_heavily_excessive_escaping", "/s", "/s"); |
| } |
| |
| TEST_F(EscapingTest, JsAvoidCloseScriptSpace) { |
| ExpectEscape("avoid_close_script2", |
| "Foo<\\/script >Bar", "Foo</script >Bar"); |
| } |
| |
| TEST_F(EscapingTest, JsAvoidCloseScriptCase) { |
| ExpectEscape("avoid_close_script3", |
| "Foo<\\/scrIpt>Bar", "Foo</scrIpt>Bar"); |
| } |
| |
| TEST_F(EscapingTest, JsCloseScriptConservativeBehavior) { |
| // We don't need to escape </scripty>, but it's safe to do so. |
| ExpectEscape("close_script_conservative", |
| "Foo<\\/scripty>Bar", "Foo</scripty>Bar"); |
| } |
| |
| TEST_F(EscapingTest, JsSingleQuotes) { |
| GoogleString out_unquoted, out_quoted; |
| const char kIn[] = "foo'"; |
| EscapeToJsStringLiteral(kIn, false, &out_unquoted); |
| EscapeToJsStringLiteral(kIn, true, &out_quoted); |
| EXPECT_STREQ("foo\\'", out_unquoted); |
| EXPECT_STREQ("\"foo'\"", out_quoted); |
| } |
| |
| TEST_F(EscapingTest, JsAvoidWeirdParsingSequence) { |
| // Some sequences have an effect on HTML parsing, so we want to avoid them. |
| GoogleString out; |
| EscapeToJsStringLiteral("a <ScrIpt", false, &out); |
| EXPECT_EQ("a \\u003cScrIpt", out); |
| |
| out.clear(); |
| EscapeToJsStringLiteral("Foo <!-- ", false, &out); |
| EXPECT_EQ("Foo \\u003c!-- ", out); |
| |
| out.clear(); |
| EscapeToJsStringLiteral("Bar ---> ", false, &out); |
| EXPECT_EQ("Bar -\\u002d-> ", out); |
| } |
| |
| TEST_F(EscapingTest, JsDontEscapeWayTooMuch) { |
| GoogleString out; |
| EscapeToJsStringLiteral("<div", false, &out); |
| EXPECT_EQ("<div", out); |
| |
| out.clear(); |
| EscapeToJsStringLiteral("-----!", false, &out); |
| EXPECT_EQ("-----!", out); |
| } |
| |
| TEST_F(EscapingTest, JsonEscapeBasic) { |
| GoogleString out; |
| EscapeToJsonStringLiteral("abc\1\3\n\t\"\\", true, &out); |
| EXPECT_EQ("\"abc\\u0001\\u0003\\u000a\\u0009\\u0022\\u005c\"", out); |
| } |
| |
| TEST_F(EscapingTest, JsonEscapeAppend) { |
| GoogleString out; |
| EscapeToJsonStringLiteral("ab", true, &out); |
| EscapeToJsStringLiteral("cd", false, &out); |
| EXPECT_EQ("\"ab\"cd", out); |
| } |
| |
| } // namespace |
| |
| } // namespace net_instaweb |