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// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
function testAdvanceLastIndex(initial_last_index_value,
expected_final_last_index_value) {
let exec_call_count = 0;
let last_index_setter_call_count = 0;
let final_last_index_value;
var customRegexp = {
get global() { return true; },
get unicode() { return true; },
get lastIndex() {
return initial_last_index_value;
},
set lastIndex(v) {
last_index_setter_call_count++;
final_last_index_value = v;
},
exec() {
return (exec_call_count++ == 0) ? [""] : null;
}
};
RegExp.prototype[Symbol.replace].call(customRegexp);
assertEquals(2, exec_call_count);
assertEquals(2, last_index_setter_call_count);
assertEquals(expected_final_last_index_value, final_last_index_value);
}
testAdvanceLastIndex(-1, 1);
testAdvanceLastIndex( 0, 1);
testAdvanceLastIndex(2**31 - 2, 2**31 - 1);
testAdvanceLastIndex(2**31 - 1, 2**31 - 0);
testAdvanceLastIndex(2**32 - 3, 2**32 - 2);
testAdvanceLastIndex(2**32 - 2, 2**32 - 1);
testAdvanceLastIndex(2**32 - 1, 2**32 - 0);
testAdvanceLastIndex(2**53 - 2, 2**53 - 1);
testAdvanceLastIndex(2**53 - 1, 2**53 - 0);
testAdvanceLastIndex(2**53 - 0, 2**53 - 0);
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