test262/test/built-ins/Simd/check.js

36 lines
1.0 KiB
JavaScript

// Copyright (C) 2016 ecmascript_simd authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: simd-check
description: Checks if a SIMDTypeDescriptor is not a SIMDDescriptor.
includes: [simdUtilities.js]
---*/
function testCheck(type) {
assert.sameValue('function', typeof type.fn.check);
// Other SIMD types shouldn't check for this type.
var a = type.fn();
for (var otherType of simdTypes) {
if (otherType === type) {
var result = type.fn.check(a);
checkValue(type, result, function(index) {
return type.fn.extractLane(a, index);
});
assert.sameValue(a, type.fn.check(a));
} else {
assert.throws(TypeError, function() { otherType.check(a); });
}
}
// Neither should other types.
for (var x of [ {}, "", 0, 1, true, false, undefined, null, NaN, Infinity]) {
assert.throws(TypeError, function() { type.fn.check(x); });
}
}
simdTypes.forEach(function(type) {
testSimdFunction(type.name + ' check', function() {
testCheck(type);
});
});