mirror of
https://github.com/tc39/test262.git
synced 2025-10-30 19:24:12 +01:00
7298a38552
sourceRevisionAtLastExport: 33f2fb0e53d135f0ee17cfccd9d993eb2a6f47de targetRevisionAtLastExport: 31340cbd9add103f586d501b0c3354b7b182abc0
87 lines
2.8 KiB
JavaScript
87 lines
2.8 KiB
JavaScript
// Copyright 2013 the V8 project authors. 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.
|
|
// Flags: --allow-natives-syntax
|
|
|
|
// Test adding undefined from hole in double-holey to string.
|
|
var a = [1.5, , 1.8];
|
|
|
|
function f(a, i, l) {
|
|
var v = a[i];
|
|
return l + v;
|
|
}
|
|
|
|
assertEquals("test1.5", f(a, 0, "test"));
|
|
assertEquals("test1.5", f(a, 0, "test"));
|
|
%OptimizeFunctionOnNextCall(f);
|
|
assertEquals("testundefined", f(a, 1, "test"));
|
|
|
|
// Test double-hole going through a phi to a string-add.
|
|
function f2(b, a1, a2) {
|
|
var v;
|
|
if (b) {
|
|
v = a1[0];
|
|
} else {
|
|
v = a2[0];
|
|
}
|
|
x = v * 2;
|
|
return "test" + v + x;
|
|
}
|
|
|
|
f2(true, [1.4,1.8,,1.9], [1.4,1.8,,1.9]);
|
|
f2(true, [1.4,1.8,,1.9], [1.4,1.8,,1.9]);
|
|
f2(false, [1.4,1.8,,1.9], [1.4,1.8,,1.9]);
|
|
f2(false, [1.4,1.8,,1.9], [1.4,1.8,,1.9]);
|
|
%OptimizeFunctionOnNextCall(f2);
|
|
assertEquals("testundefinedNaN", f2(false, [,1.8,,1.9], [,1.9,,1.9]));
|
|
|
|
// Test converting smi-hole to double-hole.
|
|
function t_smi(a) {
|
|
a[0] = 1.5;
|
|
}
|
|
|
|
t_smi([1,,3]);
|
|
t_smi([1,,3]);
|
|
t_smi([1,,3]);
|
|
%OptimizeFunctionOnNextCall(t_smi);
|
|
var ta = [1,,3];
|
|
t_smi(ta);
|
|
ta.__proto__ = [6,6,6];
|
|
assertEquals([1.5,6,3], ta);
|
|
|
|
// Test converting double-hole to tagged-hole.
|
|
function t(b) {
|
|
b[1] = {};
|
|
}
|
|
|
|
t([1.4, 1.6,,1.8, NaN]);
|
|
t([1.4, 1.6,,1.8, NaN]);
|
|
%OptimizeFunctionOnNextCall(t);
|
|
var a = [1.6, 1.8,,1.9, NaN];
|
|
t(a);
|
|
a.__proto__ = [6,6,6,6,6];
|
|
assertEquals([1.6, {}, 6, 1.9, NaN], a);
|