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-rw-r--r--dom/base/test/gtest/TestXMLSerializerNoBreakLink.cpp69
1 files changed, 69 insertions, 0 deletions
diff --git a/dom/base/test/gtest/TestXMLSerializerNoBreakLink.cpp b/dom/base/test/gtest/TestXMLSerializerNoBreakLink.cpp
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+++ b/dom/base/test/gtest/TestXMLSerializerNoBreakLink.cpp
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "gtest/gtest.h"
+#include "nsCOMPtr.h"
+#include "nsIDocumentEncoder.h"
+#include "nsString.h"
+#include "mozilla/ErrorResult.h"
+#include "mozilla/dom/Document.h"
+#include "mozilla/dom/DOMParser.h"
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+// Test that serialising some DOM doesn't destroy links by word-wrapping long
+// href values containing spaces.
+TEST(TestXMLSerializerNoBreakLink, TestXMLSerializerNoBreakLinkMain)
+{
+ // Build up a stupidly-long URL with spaces. Default is to wrap at column
+ // 72, so we want to exceed that.
+ nsString longURL = u"http://www.example.com/link with spaces"_ns;
+ for (int i = 1; i < 125; ++i) {
+ longURL.Append(u' ');
+ longURL.Append(IntToTString<char16_t>(i));
+ }
+ nsString htmlInput =
+ u"<html><head>"
+ "<meta charset=\"utf-8\">"
+ "</head><body>Hello Thunderbird! <a href=\""_ns +
+ longURL + u"\">Link</a></body></html>"_ns;
+
+ // Parse HTML into a Document.
+ nsCOMPtr<Document> document;
+ {
+ IgnoredErrorResult rv;
+ RefPtr<DOMParser> parser = DOMParser::CreateWithoutGlobal(rv);
+ ASSERT_FALSE(rv.Failed());
+ document = parser->ParseFromString(htmlInput, SupportedType::Text_html, rv);
+ ASSERT_FALSE(rv.Failed());
+ }
+
+ // Serialize back in a variety of flavours and check the URL survives the
+ // round trip intact.
+ nsCString contentTypes[] = {"text/xml"_ns, "application/xml"_ns,
+ "application/xhtml+xml"_ns, "image/svg+xml"_ns,
+ "text/html"_ns};
+ for (auto const& contentType : contentTypes) {
+ uint32_t flagsToTest[] = {
+ nsIDocumentEncoder::OutputFormatted, nsIDocumentEncoder::OutputWrap,
+ nsIDocumentEncoder::OutputFormatted | nsIDocumentEncoder::OutputWrap};
+ for (uint32_t flags : flagsToTest) {
+ // Serialize doc back to HTML source again.
+ nsCOMPtr<nsIDocumentEncoder> encoder =
+ do_createDocumentEncoder(contentType.get());
+ ASSERT_TRUE(encoder);
+ nsresult rv =
+ encoder->Init(document, NS_ConvertASCIItoUTF16(contentType), flags);
+ ASSERT_TRUE(NS_SUCCEEDED(rv));
+ nsString parsed;
+ rv = encoder->EncodeToString(parsed);
+ ASSERT_TRUE(NS_SUCCEEDED(rv));
+
+ // URL is intact?
+ EXPECT_TRUE(parsed.Find(longURL) != kNotFound);
+ }
+ }
+}