v8/test/mjsunit/minmax-simple.js

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// Copyright 2015 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.
// Flags: --expose-natives-as natives
// Test the MaxSimple and MinSimple internal methods in runtime.js
var MaxSimple = natives.ImportNow("MaxSimple");
var MinSimple = natives.ImportNow("MinSimple");
function checkEvaluations(target) {
var evaluations = 0;
var observedNumber = {
valueOf: function() {
evaluations++;
return 0;
}
};
target(observedNumber, observedNumber);
return evaluations;
}
assertEquals(1, MaxSimple(-1, 1));
assertEquals(2, checkEvaluations(MaxSimple));
assertEquals(-1, MinSimple(-1, 1));
assertEquals(2, checkEvaluations(MinSimple));