Add a fragment change exception to history API's unique origin restrictions.

third_party/WebKit/Source/core/frame/HistoryTest.cpp

Index: third_party/WebKit/Source/core/frame/HistoryTest.cpp
diff --git a/third_party/WebKit/Source/core/frame/HistoryTest.cpp b/third_party/WebKit/Source/core/frame/HistoryTest.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..bb5e573c1294e49448ca900d9849fa44cf8496d0
--- /dev/null
+++ b/third_party/WebKit/Source/core/frame/HistoryTest.cpp
@@ -0,0 +1,116 @@
+// Copyright 2016 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 "core/frame/History.h"
+
+#include "platform/weborigin/KURL.h"
+#include "platform/weborigin/SecurityOrigin.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace blink {
+
+class HistoryTest : public ::testing::Test {
+};
+
+TEST_F(HistoryTest, CanChangeToURL)
+{
+    struct TestCase {
+        const char* url;
+        const char* documentURL;
+        bool expected;
+    } cases[] = {
+        {"http://example.com/", "http://example.com/", true},
+        {"http://example.com/#hash", "http://example.com/", true},
+        {"http://example.com/path", "http://example.com/", true},
+        {"http://example.com/path#hash", "http://example.com/", true},
+        {"http://example.com/path?query", "http://example.com/", true},
+        {"http://example.com/path?query#hash", "http://example.com/", true},
+        {"http://example.com:80/", "http://example.com/", true},
+        {"http://example.com:80/#hash", "http://example.com/", true},
+        {"http://example.com:80/path", "http://example.com/", true},
+        {"http://example.com:80/path#hash", "http://example.com/", true},
+        {"http://example.com:80/path?query", "http://example.com/", true},
+        {"http://example.com:80/path?query#hash", "http://example.com/", true},
+        {"http://not-example.com:80/", "http://example.com/", false},
+        {"http://not-example.com:80/#hash", "http://example.com/", false},
+        {"http://not-example.com:80/path", "http://example.com/", false},
+        {"http://not-example.com:80/path#hash", "http://example.com/", false},
+        {"http://not-example.com:80/path?query", "http://example.com/", false},
+        {"http://not-example.com:80/path?query#hash", "http://example.com/", false},
+        {"http://example.com:81/", "http://example.com/", false},
+        {"http://example.com:81/#hash", "http://example.com/", false},
+        {"http://example.com:81/path", "http://example.com/", false},
+        {"http://example.com:81/path#hash", "http://example.com/", false},
+        {"http://example.com:81/path?query", "http://example.com/", false},
+        {"http://example.com:81/path?query#hash", "http://example.com/", false},
+    };
+
+    for (const auto& test : cases) {
+        KURL url(ParsedURLString, test.url);
+        KURL documentURL(ParsedURLString, test.documentURL);
+        RefPtr<SecurityOrigin> documentOrigin = SecurityOrigin::create(documentURL);
+        EXPECT_EQ(test.expected, History::canChangeToUrl(url, documentOrigin.get(), documentURL));
+    }
+}
+
+TEST_F(HistoryTest, CanChangeToURLInFileOrigin)
+{
+    struct TestCase {
+        const char* url;
+        const char* documentURL;
+        bool expected;
+    } cases[] = {
+        {"file:///path/to/file/", "file:///path/to/file/", true},
+        {"file:///path/to/file/#hash", "file:///path/to/file/", true},
+        {"file:///path/to/file/path", "file:///path/to/file/", false},
+        {"file:///path/to/file/path#hash", "file:///path/to/file/", false},
+        {"file:///path/to/file/path?query", "file:///path/to/file/", false},
+        {"file:///path/to/file/path?query#hash", "file:///path/to/file/", false},
+    };
+
+    for (const auto& test : cases) {
+        KURL url(ParsedURLString, test.url);
+        KURL documentURL(ParsedURLString, test.documentURL);
+        RefPtr<SecurityOrigin> documentOrigin = SecurityOrigin::create(documentURL);
+        EXPECT_EQ(test.expected, History::canChangeToUrl(url, documentOrigin.get(), documentURL));
+    }
+}
+
+TEST_F(HistoryTest, CanChangeToURLInUniqueOrigin)
+{
+    struct TestCase {
+        const char* url;
+        const char* documentURL;
+        bool expected;
+    } cases[] = {
+        {"http://example.com/", "http://example.com/", true},
+        {"http://example.com/#hash", "http://example.com/", true},
+        {"http://example.com/path", "http://example.com/", false},
+        {"http://example.com/path#hash", "http://example.com/", false},
+        {"http://example.com/path?query", "http://example.com/", false},
+        {"http://example.com/path?query#hash", "http://example.com/", false},
+        {"http://example.com:80/", "http://example.com/", true},
+        {"http://example.com:80/#hash", "http://example.com/", true},
+        {"http://example.com:80/path", "http://example.com/", false},
+        {"http://example.com:80/path#hash", "http://example.com/", false},
+        {"http://example.com:80/path?query", "http://example.com/", false},
+        {"http://example.com:80/path?query#hash", "http://example.com/", false},
+        {"http://example.com:81/", "http://example.com/", false},
+        {"http://example.com:81/#hash", "http://example.com/", false},
+        {"http://example.com:81/path", "http://example.com/", false},
+        {"http://example.com:81/path#hash", "http://example.com/", false},
+        {"http://example.com:81/path?query", "http://example.com/", false},
+        {"http://example.com:81/path?query#hash", "http://example.com/", false},
+    };
+
+    for (const auto& test : cases) {
+        KURL url(ParsedURLString, test.url);
+        KURL documentURL(ParsedURLString, test.documentURL);
+        RefPtr<SecurityOrigin> documentOrigin = SecurityOrigin::createUnique();
+        EXPECT_EQ(test.expected, History::canChangeToUrl(url, documentOrigin.get(), documentURL));
+    }
+}
+
+} // namespace blink
+