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93 lines
4.0 KiB
JavaScript
93 lines
4.0 KiB
JavaScript
// Copyright 2012 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Make sure the strings are long enough to trigger the one-char string replace.
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var prefix1024 = "0123456789ABCDEF";
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for (var i = 0; i < 6; i++) prefix1024 += prefix1024;
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function test_replace(result, expected, search, replace) {
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assertEquals(expected, result.replace(search, replace));
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}
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// '$' in the replace string.
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test_replace(prefix1024 + "abcdefghijklmnopqrstuvwxyz",
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prefix1024 + "abcdefghijk#l#mnopqrstuvwxyz",
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"l", "#$&#");
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test_replace(prefix1024 + "abcdefghijklmnopqrstuvwxyz\u1234",
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prefix1024 + "abcdefghijk\u2012l\u2012mnopqrstuvwxyz\u1234",
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"l", "\u2012$&\u2012");
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test_replace(prefix1024 + "abcdefghijklmnopqrstuvwxyz",
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prefix1024 + "abcdefghijk$mnopqrstuvwxyz",
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"l", "$$");
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test_replace(prefix1024 + "abcdefghijklmnopqrstuvwxyz\u1234",
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prefix1024 + "abcdefghijk$mnopqrstuvwxyz\u1234",
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"l", "$$");
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// Zero length replace string.
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test_replace(prefix1024 + "abcdefghijklmnopqrstuvwxyz",
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prefix1024 + "abcdefghijklmnopqstuvwxyz",
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"r", "");
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test_replace(prefix1024 + "abcdefghijklmnopq\u1234stuvwxyz",
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prefix1024 + "abcdefghijklmnopqstuvwxyz",
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"\u1234", "");
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// Search char not found.
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var not_found_1 = prefix1024 + "abcdefghijklmnopqrstuvwxyz";
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test_replace(not_found_1, not_found_1, "+", "-");
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var not_found_2 = prefix1024 + "abcdefghijklm\u1234nopqrstuvwxyz";
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test_replace(not_found_2, not_found_2, "+", "---");
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var not_found_3 = prefix1024 + "abcdefghijklmnopqrstuvwxyz";
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test_replace(not_found_3, not_found_3, "\u1234", "ZZZ");
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// Deep cons tree.
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var nested_1 = "";
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for (var i = 0; i < 100000; i++) nested_1 += "y";
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var nested_1_result = prefix1024 + nested_1 + "aa";
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nested_1 = prefix1024 + nested_1 + "z";
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test_replace(nested_1, nested_1_result, "z", "aa");
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var nested_2 = "\u2244";
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for (var i = 0; i < 100000; i++) nested_2 += "y";
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var nested_2_result = prefix1024 + nested_2 + "aa";
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nested_2 = prefix1024 + nested_2 + "\u2012";
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test_replace(nested_2, nested_2_result, "\u2012", "aa");
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// Sliced string as input. A cons string is always flattened before sliced.
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var slice_1 = ("ab" + prefix1024 + "cdefghijklmnopqrstuvwxyz").slice(1, -1);
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var slice_1_result = "b" + prefix1024 + "cdefghijklmnopqrstuvwxQ";
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test_replace(slice_1, slice_1_result, "y", "Q");
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var slice_2 = (prefix1024 + "abcdefghijklmno\u1234\u1234p").slice(1, -1);
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var slice_2_result = prefix1024.substr(1) + "abcdefghijklmnoQ\u1234";
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test_replace(slice_2, slice_2_result, "\u1234", "Q");
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