root/Source/platform/weborigin/KURLTest.cpp

DEFINITIONS

1. TEST
2. TEST
3. TEST
4. TEST
5. TEST
6. TEST
7. TEST
8. TEST
9. TEST
10. TEST
11. TEST
12. TEST
13. TEST
14. TEST
15. TEST
16. TEST
17. TEST
18. TEST
19. TEST
20. TEST

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

// Basic tests that verify our KURL's interface behaves the same as the
// original KURL's.

#include "config.h"
#include "platform/weborigin/KURL.h"

#include "wtf/testing/WTFTestHelpers.h"
#include "wtf/text/CString.h"
#include "wtf/text/WTFString.h"
#include <gtest/gtest.h>

namespace {

struct ComponentCase {
    const char* url;
    const char* protocol;
    const char* host;
    const int port;
    const char* user;
    const char* pass;
    const char* lastPath;
    const char* query;
    const char* ref;
};

// Test the cases where we should be the same as WebKit's old KURL.
TEST(KURLTest, SameGetters)
{
    struct GetterCase {
        const char* url;
        const char* protocol;
        const char* host;
        int port;
        const char* user;
        const char* pass;
        const char* lastPathComponent;
        const char* query;
        const char* ref;
        bool hasRef;
    } cases[] = {
        {"http://www.google.com/foo/blah?bar=baz#ref", "http", "www.google.com", 0, "", 0, "blah", "bar=baz", "ref", true},
        {"http://foo.com:1234/foo/bar/", "http", "foo.com", 1234, "", 0, "bar", 0, 0, false},
        {"http://www.google.com?#", "http", "www.google.com", 0, "", 0, 0, "", "", true},
        {"https://me:pass@google.com:23#foo", "https", "google.com", 23, "me", "pass", 0, 0, "foo", true},
        {"javascript:hello!//world", "javascript", "", 0, "", 0, "world", 0, 0, false},
    };

    for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); i++) {
        // UTF-8
        WebCore::KURL kurl(WebCore::ParsedURLString, cases[i].url);

        EXPECT_EQ(cases[i].protocol, kurl.protocol());
        EXPECT_EQ(cases[i].host, kurl.host());
        EXPECT_EQ(cases[i].port, kurl.port());
        EXPECT_EQ(cases[i].user, kurl.user());
        EXPECT_EQ(cases[i].pass, kurl.pass());
        EXPECT_EQ(cases[i].lastPathComponent, kurl.lastPathComponent());
        EXPECT_EQ(cases[i].query, kurl.query());
        EXPECT_EQ(cases[i].ref, kurl.fragmentIdentifier());
        EXPECT_EQ(cases[i].hasRef, kurl.hasFragmentIdentifier());

        // UTF-16
        WTF::String utf16(cases[i].url);
        kurl = WebCore::KURL(WebCore::ParsedURLString, utf16);

        EXPECT_EQ(cases[i].protocol, kurl.protocol());
        EXPECT_EQ(cases[i].host, kurl.host());
        EXPECT_EQ(cases[i].port, kurl.port());
        EXPECT_EQ(cases[i].user, kurl.user());
        EXPECT_EQ(cases[i].pass, kurl.pass());
        EXPECT_EQ(cases[i].lastPathComponent, kurl.lastPathComponent());
        EXPECT_EQ(cases[i].query, kurl.query());
        EXPECT_EQ(cases[i].ref, kurl.fragmentIdentifier());
        EXPECT_EQ(cases[i].hasRef, kurl.hasFragmentIdentifier());
    }
}

// Test a few cases where we're different just to make sure we give reasonable
// output.
TEST(KURLTest, DISABLED_DifferentGetters)
{
    ComponentCase cases[] = {
        // url                                    protocol      host        port  user  pass             lastPath  query      ref

        // Old WebKit allows references and queries in what we call "path" URLs
        // like javascript, so the path here will only consist of "hello!".
        {"javascript:hello!?#/\\world",           "javascript", "",         0,    "",   0,               "world",  0,         0},

        // Old WebKit doesn't handle "parameters" in paths, so will
        // disagree with us about where the path is for this URL.
        {"http://a.com/hello;world",              "http",       "a.com",    0,    "",   0,               "hello",  0,         0},

        // WebKit doesn't like UTF-8 or UTF-16 input.
        {"http://\xe4\xbd\xa0\xe5\xa5\xbd\xe4\xbd\xa0\xe5\xa5\xbd/", "http", "xn--6qqa088eba", 0, "", 0, 0,        0,         0},

        // WebKit %-escapes non-ASCII characters in reference, but we don't.
        {"http://www.google.com/foo/blah?bar=baz#\xce\xb1\xce\xb2", "http", "www.google.com", 0, "", 0,  "blah", "bar=baz", "\xce\xb1\xce\xb2"},
    };

    for (size_t i = 0; i < arraysize(cases); i++) {
        WebCore::KURL kurl(WebCore::ParsedURLString, cases[i].url);

        EXPECT_EQ(cases[i].protocol, kurl.protocol());
        EXPECT_EQ(cases[i].host, kurl.host());
        EXPECT_EQ(cases[i].port, kurl.port());
        EXPECT_EQ(cases[i].user, kurl.user());
        EXPECT_EQ(cases[i].pass, kurl.pass());
        EXPECT_EQ(cases[i].lastPath, kurl.lastPathComponent());
        EXPECT_EQ(cases[i].query, kurl.query());
        // Want to compare UCS-16 refs (or to null).
        if (cases[i].ref)
            EXPECT_EQ(WTF::String::fromUTF8(cases[i].ref), kurl.fragmentIdentifier());
        else
            EXPECT_TRUE(kurl.fragmentIdentifier().isNull());
    }
}

// Ensures that both ASCII and UTF-8 canonical URLs are handled properly and we
// get the correct string object out.
TEST(KURLTest, DISABLED_UTF8)
{
    const char asciiURL[] = "http://foo/bar#baz";
    WebCore::KURL asciiKURL(WebCore::ParsedURLString, asciiURL);
    EXPECT_TRUE(asciiKURL.string() == WTF::String(asciiURL));

    // When the result is ASCII, we should get an ASCII String. Some
    // code depends on being able to compare the result of the .string()
    // getter with another String, and the isASCIIness of the two
    // strings must match for these functions (like equalIgnoringCase).
    EXPECT_TRUE(WTF::equalIgnoringCase(asciiKURL, WTF::String(asciiURL)));

    // Reproduce code path in FrameLoader.cpp -- equalIgnoringCase implicitly
    // expects gkurl.protocol() to have been created as ascii.
    WebCore::KURL mailto(WebCore::ParsedURLString, "mailto:foo@foo.com");
    EXPECT_TRUE(WTF::equalIgnoringCase(mailto.protocol(), "mailto"));

    const char utf8URL[] = "http://foo/bar#\xe4\xbd\xa0\xe5\xa5\xbd";
    WebCore::KURL utf8KURL(WebCore::ParsedURLString, utf8URL);

    EXPECT_TRUE(utf8KURL.string() == WTF::String::fromUTF8(utf8URL));
}

TEST(KURLTest, Setters)
{
    // Replace the starting URL with the given components one at a time and
    // verify that we're always the same as the old KURL.
    //
    // Note that old KURL won't canonicalize the default port away, so we
    // can't set setting the http port to "80" (or even "0").
    //
    // We also can't test clearing the query.
    //
    // The format is every other row is a test, and the row that follows it is the
    // expected result.
    struct ExpectedComponentCase {
        const char* url;
        const char* protocol;
        const char* host;
        const int port;
        const char* user;
        const char* pass;
        const char* path;
        const char* query;

        // The full expected URL with the given "set" applied.
        const char* expectedProtocol;
        const char* expectedHost;
        const char* expectedPort;
        const char* expectedUser;
        const char* expectedPass;
        const char* expectedPath;
        const char* expectedQuery;
    } cases[] = {
        // url                                    protocol      host               port  user  pass    path            query
        {"http://www.google.com/",                "https",      "news.google.com", 8888, "me", "pass", "/foo",         "?q=asdf",
                                                  "https://www.google.com/",
                                                                "https://news.google.com/",
                                                                                   "https://news.google.com:8888/",
                                                                                         "https://me@news.google.com:8888/",
                                                                                               "https://me:pass@news.google.com:8888/",
                                                                                                       "https://me:pass@news.google.com:8888/foo",
                                                                                                                       "https://me:pass@news.google.com:8888/foo?q=asdf"},

        {"https://me:pass@google.com:88/a?f#b",   "http",       "goo.com",         92,   "",   "",     "/",            0,
                                                  "http://me:pass@google.com:88/a?f#b",
                                                                "http://me:pass@goo.com:88/a?f#b",
                                                                                   "http://me:pass@goo.com:92/a?f#b",
                                                                                         "http://:pass@goo.com:92/a?f#b",
                                                                                               "http://goo.com:92/a?f#b",
                                                                                                        "http://goo.com:92/?f#b",
                                                                                                                       "http://goo.com:92/#b"},
    };

    for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); i++) {
        WebCore::KURL kurl(WebCore::ParsedURLString, cases[i].url);

        kurl.setProtocol(cases[i].protocol);
        EXPECT_STREQ(cases[i].expectedProtocol, kurl.string().utf8().data());

        kurl.setHost(cases[i].host);
        EXPECT_STREQ(cases[i].expectedHost, kurl.string().utf8().data());

        kurl.setPort(cases[i].port);
        EXPECT_STREQ(cases[i].expectedPort, kurl.string().utf8().data());

        kurl.setUser(cases[i].user);
        EXPECT_STREQ(cases[i].expectedUser, kurl.string().utf8().data());

        kurl.setPass(cases[i].pass);
        EXPECT_STREQ(cases[i].expectedPass, kurl.string().utf8().data());

        kurl.setPath(cases[i].path);
        EXPECT_STREQ(cases[i].expectedPath, kurl.string().utf8().data());

        kurl.setQuery(cases[i].query);
        EXPECT_STREQ(cases[i].expectedQuery, kurl.string().utf8().data());

        // Refs are tested below. On the Safari 3.1 branch, we don't match their
        // KURL since we integrated a fix from their trunk.
    }
}

// Tests that KURL::decodeURLEscapeSequences works as expected
TEST(KURLTest, Decode)
{
    struct DecodeCase {
        const char* input;
        const char* output;
    } decodeCases[] = {
        {"hello, world", "hello, world"},
        {"%01%02%03%04%05%06%07%08%09%0a%0B%0C%0D%0e%0f/", "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0B\x0C\x0D\x0e\x0f/"},
        {"%10%11%12%13%14%15%16%17%18%19%1a%1B%1C%1D%1e%1f/", "\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1B\x1C\x1D\x1e\x1f/"},
        {"%20%21%22%23%24%25%26%27%28%29%2a%2B%2C%2D%2e%2f/", " !\"#$%&'()*+,-.//"},
        {"%30%31%32%33%34%35%36%37%38%39%3a%3B%3C%3D%3e%3f/", "0123456789:;<=>?/"},
        {"%40%41%42%43%44%45%46%47%48%49%4a%4B%4C%4D%4e%4f/", "@ABCDEFGHIJKLMNO/"},
        {"%50%51%52%53%54%55%56%57%58%59%5a%5B%5C%5D%5e%5f/", "PQRSTUVWXYZ[\\]^_/"},
        {"%60%61%62%63%64%65%66%67%68%69%6a%6B%6C%6D%6e%6f/", "`abcdefghijklmno/"},
        {"%70%71%72%73%74%75%76%77%78%79%7a%7B%7C%7D%7e%7f/", "pqrstuvwxyz{|}~\x7f/"},
          // Test un-UTF-8-ization.
        {"%e4%bd%a0%e5%a5%bd", "\xe4\xbd\xa0\xe5\xa5\xbd"},
    };

    for (size_t i = 0; i < ARRAYSIZE_UNSAFE(decodeCases); i++) {
        WTF::String input(decodeCases[i].input);
        WTF::String str = WebCore::decodeURLEscapeSequences(input);
        EXPECT_STREQ(decodeCases[i].output, str.utf8().data());
    }

    // Our decode should decode %00
    WTF::String zero = WebCore::decodeURLEscapeSequences("%00");
    EXPECT_STRNE("%00", zero.utf8().data());

    // Test the error behavior for invalid UTF-8 (we differ from WebKit here).
    WTF::String invalid = WebCore::decodeURLEscapeSequences(
        "%e4%a0%e5%a5%bd");
    UChar invalidExpectedHelper[4] = { 0x00e4, 0x00a0, 0x597d, 0 };
    WTF::String invalidExpected(
        reinterpret_cast<const ::UChar*>(invalidExpectedHelper),
        3);
    EXPECT_EQ(invalidExpected, invalid);
}

TEST(KURLTest, Encode)
{
    struct EncodeCase {
        const char* input;
        const char* output;
    } encode_cases[] = {
        {"hello, world", "hello%2C%20world"},
        {"\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F",
          "%01%02%03%04%05%06%07%08%09%0A%0B%0C%0D%0E%0F"},
        {"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F",
          "%10%11%12%13%14%15%16%17%18%19%1A%1B%1C%1D%1E%1F"},
        {" !\"#$%&'()*+,-./", "%20!%22%23%24%25%26%27()*%2B%2C-./"},
        {"0123456789:;<=>?",
          "0123456789%3A%3B%3C%3D%3E%3F"},
        {"@ABCDEFGHIJKLMNO",
          "%40ABCDEFGHIJKLMNO"},
        {"PQRSTUVWXYZ[\\]^_",
          "PQRSTUVWXYZ%5B%5C%5D%5E_"},
        {"`abcdefghijklmno",
          "%60abcdefghijklmno"},
        {"pqrstuvwxyz{|}~\x7f",
          "pqrstuvwxyz%7B%7C%7D~%7F"},
    };

    for (size_t i = 0; i < ARRAYSIZE_UNSAFE(encode_cases); i++) {
        WTF::String input(encode_cases[i].input);
        WTF::String expectedOutput(encode_cases[i].output);
        WTF::String output = WebCore::encodeWithURLEscapeSequences(input);
        EXPECT_EQ(expectedOutput, output);
    }

    // Our encode escapes NULLs for safety, so we need to check that too.
    WTF::String input("\x00\x01", 2);
    WTF::String reference("%00%01");

    WTF::String output = WebCore::encodeWithURLEscapeSequences(input);
    EXPECT_EQ(reference, output);

    // Also test that it gets converted to UTF-8 properly.
    UChar wideInputHelper[3] = { 0x4f60, 0x597d, 0 };
    WTF::String wideInput(
        reinterpret_cast<const ::UChar*>(wideInputHelper), 2);
    WTF::String wideReference("%E4%BD%A0%E5%A5%BD");
    WTF::String wideOutput =
        WebCore::encodeWithURLEscapeSequences(wideInput);
    EXPECT_EQ(wideReference, wideOutput);
}

TEST(KURLTest, ResolveEmpty)
{
    WebCore::KURL emptyBase;

    // WebKit likes to be able to resolve absolute input agains empty base URLs,
    // which would normally be invalid since the base URL is invalid.
    const char abs[] = "http://www.google.com/";
    WebCore::KURL resolveAbs(emptyBase, abs);
    EXPECT_TRUE(resolveAbs.isValid());
    EXPECT_STREQ(abs, resolveAbs.string().utf8().data());

    // Resolving a non-relative URL agains the empty one should still error.
    const char rel[] = "foo.html";
    WebCore::KURL resolveErr(emptyBase, rel);
    EXPECT_FALSE(resolveErr.isValid());
}

// WebKit will make empty URLs and set components on them. kurl doesn't allow
// replacements on invalid URLs, but here we do.
TEST(KURLTest, ReplaceInvalid)
{
    WebCore::KURL kurl;

    EXPECT_FALSE(kurl.isValid());
    EXPECT_TRUE(kurl.isEmpty());
    EXPECT_STREQ("", kurl.string().utf8().data());

    kurl.setProtocol("http");
    // GKURL will say that a URL with just a scheme is invalid, KURL will not.
    EXPECT_FALSE(kurl.isValid());
    EXPECT_FALSE(kurl.isEmpty());
    // At this point, we do things slightly differently if there is only a scheme.
    // We check the results here to make it more obvious what is going on, but it
    // shouldn't be a big deal if these change.
    EXPECT_STREQ("http:", kurl.string().utf8().data());

    kurl.setHost("www.google.com");
    EXPECT_TRUE(kurl.isValid());
    EXPECT_FALSE(kurl.isEmpty());
    EXPECT_STREQ("http://www.google.com/", kurl.string().utf8().data());

    kurl.setPort(8000);
    EXPECT_TRUE(kurl.isValid());
    EXPECT_FALSE(kurl.isEmpty());
    EXPECT_STREQ("http://www.google.com:8000/", kurl.string().utf8().data());

    kurl.setPath("/favicon.ico");
    EXPECT_TRUE(kurl.isValid());
    EXPECT_FALSE(kurl.isEmpty());
    EXPECT_STREQ("http://www.google.com:8000/favicon.ico", kurl.string().utf8().data());

    // Now let's test that giving an invalid replacement fails. Invalid
    // protocols fail without modifying the URL, which should remain valid.
    EXPECT_FALSE(kurl.setProtocol("f/sj#@"));
    EXPECT_TRUE(kurl.isValid());
}

TEST(KURLTest, Path)
{
    const char initial[] = "http://www.google.com/path/foo";
    WebCore::KURL kurl(WebCore::ParsedURLString, initial);

    // Clear by setting a null string.
    WTF::String nullString;
    EXPECT_TRUE(nullString.isNull());
    kurl.setPath(nullString);
    EXPECT_STREQ("http://www.google.com/", kurl.string().utf8().data());
}

// Test that setting the query to different things works. Thq query is handled
// a littler differently than some of the other components.
TEST(KURLTest, Query)
{
    const char initial[] = "http://www.google.com/search?q=awesome";
    WebCore::KURL kurl(WebCore::ParsedURLString, initial);

    // Clear by setting a null string.
    WTF::String nullString;
    EXPECT_TRUE(nullString.isNull());
    kurl.setQuery(nullString);
    EXPECT_STREQ("http://www.google.com/search", kurl.string().utf8().data());

    // Clear by setting an empty string.
    kurl = WebCore::KURL(WebCore::ParsedURLString, initial);
    WTF::String emptyString("");
    EXPECT_FALSE(emptyString.isNull());
    kurl.setQuery(emptyString);
    EXPECT_STREQ("http://www.google.com/search?", kurl.string().utf8().data());

    // Set with something that begins in a question mark.
    const char question[] = "?foo=bar";
    kurl.setQuery(question);
    EXPECT_STREQ("http://www.google.com/search?foo=bar",
                 kurl.string().utf8().data());

    // Set with something that doesn't begin in a question mark.
    const char query[] = "foo=bar";
    kurl.setQuery(query);
    EXPECT_STREQ("http://www.google.com/search?foo=bar",
                 kurl.string().utf8().data());
}

TEST(KURLTest, Ref)
{
    WebCore::KURL kurl(WebCore::ParsedURLString, "http://foo/bar#baz");

    // Basic ref setting.
    WebCore::KURL cur(WebCore::ParsedURLString, "http://foo/bar");
    cur.setFragmentIdentifier("asdf");
    EXPECT_STREQ("http://foo/bar#asdf", cur.string().utf8().data());
    cur = kurl;
    cur.setFragmentIdentifier("asdf");
    EXPECT_STREQ("http://foo/bar#asdf", cur.string().utf8().data());

    // Setting a ref to the empty string will set it to "#".
    cur = WebCore::KURL(WebCore::ParsedURLString, "http://foo/bar");
    cur.setFragmentIdentifier("");
    EXPECT_STREQ("http://foo/bar#", cur.string().utf8().data());
    cur = kurl;
    cur.setFragmentIdentifier("");
    EXPECT_STREQ("http://foo/bar#", cur.string().utf8().data());

    // Setting the ref to the null string will clear it altogether.
    cur = WebCore::KURL(WebCore::ParsedURLString, "http://foo/bar");
    cur.setFragmentIdentifier(WTF::String());
    EXPECT_STREQ("http://foo/bar", cur.string().utf8().data());
    cur = kurl;
    cur.setFragmentIdentifier(WTF::String());
    EXPECT_STREQ("http://foo/bar", cur.string().utf8().data());
}

TEST(KURLTest, Empty)
{
    WebCore::KURL kurl;

    // First test that regular empty URLs are the same.
    EXPECT_TRUE(kurl.isEmpty());
    EXPECT_FALSE(kurl.isValid());
    EXPECT_TRUE(kurl.isNull());
    EXPECT_TRUE(kurl.string().isNull());
    EXPECT_TRUE(kurl.string().isEmpty());

    // Test resolving a null URL on an empty string.
    WebCore::KURL kurl2(kurl, "");
    EXPECT_TRUE(kurl2.isNull());
    EXPECT_TRUE(kurl2.isEmpty());
    EXPECT_FALSE(kurl2.isValid());
    EXPECT_TRUE(kurl2.string().isNull());
    EXPECT_TRUE(kurl2.string().isEmpty());
    EXPECT_TRUE(kurl2.string().isNull());
    EXPECT_TRUE(kurl2.string().isEmpty());

    // Resolve the null URL on a null string.
    WebCore::KURL kurl22(kurl, WTF::String());
    EXPECT_TRUE(kurl22.isNull());
    EXPECT_TRUE(kurl22.isEmpty());
    EXPECT_FALSE(kurl22.isValid());
    EXPECT_TRUE(kurl22.string().isNull());
    EXPECT_TRUE(kurl22.string().isEmpty());
    EXPECT_TRUE(kurl22.string().isNull());
    EXPECT_TRUE(kurl22.string().isEmpty());

    // Test non-hierarchical schemes resolving. The actual URLs will be different.
    // WebKit's one will set the string to "something.gif" and we'll set it to an
    // empty string. I think either is OK, so we just check our behavior.
    WebCore::KURL kurl3(WebCore::KURL(WebCore::ParsedURLString, "data:foo"),
                        "something.gif");
    EXPECT_TRUE(kurl3.isEmpty());
    EXPECT_FALSE(kurl3.isValid());

    // Test for weird isNull string input,
    // see: http://bugs.webkit.org/show_bug.cgi?id=16487
    WebCore::KURL kurl4(WebCore::ParsedURLString, kurl.string());
    EXPECT_TRUE(kurl4.isEmpty());
    EXPECT_FALSE(kurl4.isValid());
    EXPECT_TRUE(kurl4.string().isNull());
    EXPECT_TRUE(kurl4.string().isEmpty());

    // Resolving an empty URL on an invalid string.
    WebCore::KURL kurl5(WebCore::KURL(), "foo.js");
    // We'll be empty in this case, but KURL won't be. Should be OK.
    // EXPECT_EQ(kurl5.isEmpty(), kurl5.isEmpty());
    // EXPECT_EQ(kurl5.string().isEmpty(), kurl5.string().isEmpty());
    EXPECT_FALSE(kurl5.isValid());
    EXPECT_TRUE(kurl5.string().isNull());

    // Empty string as input
    WebCore::KURL kurl6(WebCore::ParsedURLString, "");
    EXPECT_TRUE(kurl6.isEmpty());
    EXPECT_FALSE(kurl6.isValid());
    EXPECT_TRUE(kurl6.string().isNull());
    EXPECT_TRUE(kurl6.string().isEmpty());

    // Non-empty but invalid C string as input.
    WebCore::KURL kurl7(WebCore::ParsedURLString, "foo.js");
    // WebKit will actually say this URL has the string "foo.js" but is invalid.
    // We don't do that.
    // EXPECT_EQ(kurl7.isEmpty(), kurl7.isEmpty());
    EXPECT_FALSE(kurl7.isValid());
    EXPECT_TRUE(kurl7.string().isNull());
}

TEST(KURLTest, UserPass)
{
    const char* src = "http://user:pass@google.com/";
    WebCore::KURL kurl(WebCore::ParsedURLString, src);

    // Clear just the username.
    kurl.setUser("");
    EXPECT_EQ("http://:pass@google.com/", kurl.string());

    // Clear just the password.
    kurl = WebCore::KURL(WebCore::ParsedURLString, src);
    kurl.setPass("");
    EXPECT_EQ("http://user@google.com/", kurl.string());

    // Now clear both.
    kurl.setUser("");
    EXPECT_EQ("http://google.com/", kurl.string());
}

TEST(KURLTest, Offsets)
{
    const char* src1 = "http://user:pass@google.com/foo/bar.html?baz=query#ref";
    WebCore::KURL kurl1(WebCore::ParsedURLString, src1);

    EXPECT_EQ(17u, kurl1.hostStart());
    EXPECT_EQ(27u, kurl1.hostEnd());
    EXPECT_EQ(27u, kurl1.pathStart());
    EXPECT_EQ(40u, kurl1.pathEnd());
    EXPECT_EQ(32u, kurl1.pathAfterLastSlash());

    const char* src2 = "http://google.com/foo/";
    WebCore::KURL kurl2(WebCore::ParsedURLString, src2);

    EXPECT_EQ(7u, kurl2.hostStart());
    EXPECT_EQ(17u, kurl2.hostEnd());
    EXPECT_EQ(17u, kurl2.pathStart());
    EXPECT_EQ(22u, kurl2.pathEnd());
    EXPECT_EQ(22u, kurl2.pathAfterLastSlash());

    const char* src3 = "javascript:foobar";
    WebCore::KURL kurl3(WebCore::ParsedURLString, src3);

    EXPECT_EQ(11u, kurl3.hostStart());
    EXPECT_EQ(11u, kurl3.hostEnd());
    EXPECT_EQ(11u, kurl3.pathStart());
    EXPECT_EQ(17u, kurl3.pathEnd());
    EXPECT_EQ(11u, kurl3.pathAfterLastSlash());
}

TEST(KURLTest, DeepCopy)
{
    const char url[] = "http://www.google.com/";
    WebCore::KURL src(WebCore::ParsedURLString, url);
    EXPECT_TRUE(src.string() == url); // This really just initializes the cache.
    WebCore::KURL dest = src.copy();
    EXPECT_TRUE(dest.string() == url); // This really just initializes the cache.

    // The pointers should be different for both UTF-8 and UTF-16.
    EXPECT_NE(dest.string().impl(), src.string().impl());
}

TEST(KURLTest, LastPathComponent)
{
    WebCore::KURL url1(WebCore::ParsedURLString, "http://host/path/to/file.txt");
    EXPECT_EQ("file.txt", url1.lastPathComponent());

    WebCore::KURL invalidUTF8(WebCore::ParsedURLString, "http://a@9%aa%:/path/to/file.txt");
    EXPECT_EQ(String(), invalidUTF8.lastPathComponent());
}

TEST(KURLTest, IsHierarchical)
{
    WebCore::KURL url1(WebCore::ParsedURLString, "http://host/path/to/file.txt");
    EXPECT_TRUE(url1.isHierarchical());

    WebCore::KURL invalidUTF8(WebCore::ParsedURLString, "http://a@9%aa%:/path/to/file.txt");
    EXPECT_FALSE(invalidUTF8.isHierarchical());
}

TEST(KURLTest, PathAfterLastSlash)
{
    WebCore::KURL url1(WebCore::ParsedURLString, "http://host/path/to/file.txt");
    EXPECT_EQ(20u, url1.pathAfterLastSlash());

    WebCore::KURL invalidUTF8(WebCore::ParsedURLString, "http://a@9%aa%:/path/to/file.txt");
    EXPECT_EQ(0u, invalidUTF8.pathAfterLastSlash());
}

TEST(KURLTest, ProtocolIsInHTTPFamily)
{
    WebCore::KURL url1(WebCore::ParsedURLString, "http://host/path/to/file.txt");
    EXPECT_TRUE(url1.protocolIsInHTTPFamily());

    WebCore::KURL invalidUTF8(WebCore::ParsedURLString, "http://a@9%aa%:/path/to/file.txt");
    EXPECT_FALSE(invalidUTF8.protocolIsInHTTPFamily());
}

TEST(KURLTest, ProtocolIs)
{
    WebCore::KURL url1(WebCore::ParsedURLString, "foo://bar");
    EXPECT_TRUE(url1.protocolIs("foo"));
    EXPECT_FALSE(url1.protocolIs("foo-bar"));

    WebCore::KURL url2(WebCore::ParsedURLString, "foo-bar:");
    EXPECT_TRUE(url2.protocolIs("foo-bar"));
    EXPECT_FALSE(url2.protocolIs("foo"));

    WebCore::KURL invalidUTF8(WebCore::ParsedURLString, "http://a@9%aa%:");
    EXPECT_FALSE(invalidUTF8.protocolIs("http"));
    EXPECT_TRUE(invalidUTF8.protocolIs(""));
}

} // namespace