Introduce 'url::Origin'.

url/origin_unittest.cc

+// Copyright 2015 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 "url/origin.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "url/gurl.h"
+
+namespace {
+
+TEST(OriginTest, UniqueOriginComparison) {
+  url::Origin unique_origin;
+  EXPECT_EQ("", unique_origin.scheme());
+  EXPECT_EQ("", unique_origin.host());
+  EXPECT_EQ(0, unique_origin.port());
+  EXPECT_TRUE(unique_origin.unique());
+  EXPECT_FALSE(unique_origin.IsSameOriginWith(unique_origin));
+
+  const char* const urls[] = {"data:text/html,Hello!",
+                              "javascript:alert(1)",
+                              "file://example.com:443/etc/passwd",
+                              "yay",
+                              "http::///invalid.example.com/"};
+
+  for (const auto& test : urls) {

[Ryan Sleevi, 2015/07/17 19:48:18]

nit: test_url ?

+    SCOPED_TRACE(test);
+    GURL url(test);
+    url::Origin origin(url);
+    EXPECT_EQ("", origin.scheme());
+    EXPECT_EQ("", origin.host());
+    EXPECT_EQ(0, origin.port());
+    EXPECT_TRUE(origin.unique());
+    EXPECT_FALSE(origin.IsSameOriginWith(origin));
+    EXPECT_FALSE(unique_origin.IsSameOriginWith(origin));
+    EXPECT_FALSE(origin.IsSameOriginWith(unique_origin));
+  }
+}
+
+TEST(OriginTest, ConstructFromGURL) {
+  url::Origin different_origin(GURL("https://not-in-the-list.test/"));
+
+  struct TestCases {
+    const char* const url;
+    const char* const expected_scheme;
+    const char* const expected_host;
+    const uint16 expected_port;
+  } cases[] = {
+      // IP Addresses
+      {"http://192.168.9.1/", "http", "192.168.9.1", 80},
+      {"http://[2001:db8::1]/", "http", "[2001:db8::1]", 80},
+
+      // Punycode
+      {"http://☃.net/", "http", "xn--n3h.net", 80},
+      {"blob:http://☃.net/", "http", "xn--n3h.net", 80},
+
+      // Generic URLs
+      {"http://example.com/", "http", "example.com", 80},
+      {"http://example.com:123/", "http", "example.com", 123},
+      {"https://example.com/", "https", "example.com", 443},
+      {"https://example.com:123/", "https", "example.com", 123},
+      {"http://user:pass@example.com/", "http", "example.com", 80},
+      {"http://example.com:123/?query", "http", "example.com", 123},
+      {"https://example.com/#1234", "https", "example.com", 443},
+      {"https://u:p@example.com:123/?query#1234", "https", "example.com", 123},
+
+      // Registered URLs
+      {"ftp://example.com/", "ftp", "example.com", 21},
+      {"gopher://example.com/", "gopher", "example.com", 70},
+      {"ws://example.com/", "ws", "example.com", 80},
+      {"wss://example.com/", "wss", "example.com", 443},
+
+      // file: URLs
+      {"file:///etc/passwd", "file", "", 0},
+      {"file://example.com/etc/passwd", "file", "example.com", 0},
+
+      // Filesystem:
+      {"filesystem:http://example.com/type/", "http", "example.com", 80},
+      {"filesystem:http://example.com:123/type/", "http", "example.com", 123},
+      {"filesystem:https://example.com/type/", "https", "example.com", 443},
+      {"filesystem:https://example.com:123/type/", "https", "example.com", 123},
+
+      // Blob:
+      {"blob:http://example.com/guid-goes-here", "http", "example.com", 80},
+      {"blob:http://example.com:123/guid-goes-here", "http", "example.com", 123},
+      {"blob:https://example.com/guid-goes-here", "https", "example.com", 443},
+      {"blob:http://u:p@example.com/guid-goes-here", "http", "example.com", 80},
+  };
+
+  for (const auto& test : cases) {

[Ryan Sleevi, 2015/07/17 19:48:18]

nit: test_case ?

+    SCOPED_TRACE(test.url);
+    GURL url(test.url);
+    EXPECT_TRUE(url.is_valid());
+    url::Origin origin(url);
+    EXPECT_EQ(test.expected_scheme, origin.scheme());
+    EXPECT_EQ(test.expected_host, origin.host());
+    EXPECT_EQ(test.expected_port, origin.port());
+    EXPECT_FALSE(origin.unique());
+    EXPECT_TRUE(origin.IsSameOriginWith(origin));
+    EXPECT_FALSE(different_origin.IsSameOriginWith(origin));
+    EXPECT_FALSE(origin.IsSameOriginWith(different_origin));
+  }
+}
+
+TEST(OriginTest, Serialization) {
+  struct TestCases {
+    const char* const url;
+    const char* const expected;
+  } cases[] = {
+      {"http://192.168.9.1/", "http://192.168.9.1"},
+      {"http://[2001:db8::1]/", "http://[2001:db8::1]"},
+      {"http://☃.net/", "http://xn--n3h.net"},
+      {"http://example.com/", "http://example.com"},
+      {"http://example.com:123/", "http://example.com:123"},
+      {"https://example.com/", "https://example.com"},
+      {"https://example.com:123/", "https://example.com:123"},
+      {"file:///etc/passwd", "file://"},
+      {"file://example.com/etc/passwd", "file://"},
+  };
+
+  for (const auto& test : cases) {

[Ryan Sleevi, 2015/07/17 19:48:18]

nit: test_case ?

+    SCOPED_TRACE(test.url);
+    GURL url(test.url);
+    EXPECT_TRUE(url.is_valid());
+    url::Origin origin(url);
+    EXPECT_EQ(test.expected, origin.Serialize());
+  }
+}
+
+TEST(OriginTest, Comparison) {
+  // These URLs are arranged in increasing order:
+  const char* const urls[] = {
+      "data:uniqueness",
+      "http://a:80",
+      "http://b:80",
+      "https://a:80",
+      "https://b:80",
+      "http://a:81",
+      "http://b:81",
+      "https://a:81",
+      "https://b:81",
+  };
+
+  for (size_t i = 0; i < arraysize(urls); i++) {
+    GURL current_url(urls[i]);
+    url::Origin current(current_url);
+    for (size_t j = i; j < arraysize(urls); j++) {
+      GURL compare_url(urls[j]);
+      url::Origin to_compare(compare_url);
+      EXPECT_EQ(i < j, current < to_compare) << i << " < " << j;
+      EXPECT_EQ(j < i, to_compare < current) << j << " < " << i;
+    }
+  }
+}
+
+}  // namespace url