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* Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
* for details. All rights reserved. Use of this source code is governed by a
* BSD-style license that can be found in the LICENSE file.
* @assertion
* @description Canonicalization of paths.
import "../../testharness.dart";
import "resources/utilities.dart";
List cases = [
["/././foo", "/foo"],
["/./.foo", "/.foo"],
["/foo/.", "/foo/"],
["/foo/./", "/foo/"],
// double dots followed by a slash or the end of the string count
["/foo/bar/..", "/foo/"],
["/foo/bar/../", "/foo/"],
// don't count double dots when they aren't followed by a slash
["/foo/", "/foo/"],
// some in the middle
["/foo/bar/../ton", "/foo/ton"],
["/foo/bar/../ton/../../a", "/a"],
// we should not be able to go above the root
["/foo/../../..", "/"],
["/foo/../../../ton", "/ton"],
// escaped dots should be unescaped and treated the same as dots
["/foo/%2e", "/foo/"],
["/foo/%2e%2", "/foo/.%2"],
["/foo/%2e./%2e%2e/.%2e/", "/"],
// Multiple slashes in a row should be preserved and treated like empty
// directory names.
["////../..", "//"],
["/foo/bar//../..", "/foo/"],
["/foo/bar//..", "/foo/bar/"],
["/foo/bar/..", "/foo/"],
// ----- escaping tests -----
["/foo", "/foo"],
// Valid escape sequence
["/%20foo", "/%20foo"],
// Invalid escape sequence we should pass through unchanged.
["/foo%", "/foo%"],
["/foo%2", "/foo%2"],
// Invalid escape sequence: bad characters should be treated the same as
// the sourrounding text, not as escaped (in this case, UTF-8).
["/foo%2zbar", "/foo%2zbar"],
// (Disabled because requires UTF8)
// ["/foo%2\xc2\xa9zbar", "/foo%2%C2%A9zbar"],
["/foo%2\u00c2\u00a9zbar", "/foo%2%C3%82%C2%A9zbar"],
// Regular characters that are escaped should be unescaped
["/foo%41%7a", "/fooAz"],
// Funny characters that are unescaped should be escaped
["/foo\u0009\u0091%91", "/foo%C2%91%91"],
// Invalid characters that are escaped should cause a failure.
["/foo%00%51", "/foo%00Q"],
// Some characters should be passed through unchanged regardless of esc.
["/(%28:%3A%29)", "/(%28:%3A%29)"],
// Characters that are properly escaped should not have the case changed
// of hex letters.
["/%3A%3a%3C%3c", "/%3A%3a%3C%3c"],
// Funny characters that are unescaped should be escaped
["/foo\tbar", "/foobar"],
// Backslashes should get converted to forward slashes
["\\\\foo\\\\bar", "/foo/bar"],
// Hashes found in paths (possibly only when the caller explicitly sets
// the path on an already-parsed URL) should be escaped.
// (Disabled because requires ability to set path directly.)
// ["/foo#bar", "/foo%23bar"],
// %7f should be allowed and %3D should not be unescaped (these were wrong
// in a previous version).
["/%7Ffp3%3Eju%3Dduvgw%3Dd", "/%7Ffp3%3Eju%3Dduvgw%3Dd"],
// @ should be passed through unchanged (escaped or unescaped).
["/@asdf%40", "/@asdf%40"],
// ----- encoding tests -----
// Basic conversions
["/\u4f60\u597d\u4f60\u597d", "/%E4%BD%A0%E5%A5%BD%E4%BD%A0%E5%A5%BD"],
// Invalid unicode characters should fail. We only do validation on
// UTF-16 input, so this doesn't happen on 8-bit.
["/\ufdd0zyx", "/%EF%BF%BDzyx"],
// U+2025 TWO DOT LEADER should not be normalized to .. in the path
["/\u2025/foo", "/%E2%80%A5/foo"],
// A half-surrogate is an error by itself U+DEAD
// FIXME: ["/\uDEAD/foo", "/\uFFFD/foo"],
// BOM code point with special meaning U+FEFF ZERO WIDTH NO-BREAK SPACE
["/\uFEFF/foo", "/%EF%BB%BF/foo"],
// The BIDI override code points RLO and LRO
["/\u202E/foo/\u202D/bar", "/%E2%80%AE/foo/%E2%80%AD/bar"],
// U+FF0F FULLWIDTH SOLIDUS should normalize to / in a hostname
["\uFF0Ffoo/", "%2Ffoo/"],
void main() {
for (var i = 0; i < cases.length; ++i) {
String test_vector = cases[i][0];
String expected_result = cases[i][1];