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var IsPossiblyWrappedTypedArray = getSelfHostedValue("IsPossiblyWrappedTypedArray");
var declareSamples = `
var allTypedArraySamples = [
{ value: new Int8Array(1), expected: true },
{ value: new Uint8Array(1), expected: true },
{ value: new Int16Array(1), expected: true },
{ value: new Uint16Array(1), expected: true },
{ value: new Int32Array(1), expected: true },
{ value: new Uint32Array(1), expected: true },
{ value: new Float32Array(1), expected: true },
{ value: new Float64Array(1), expected: true },
{ value: new Uint8ClampedArray(1), expected: true }
];
var allObjectSamples = [
{ value: new Array(1), expected: false },
{ value: {}, expected: false },
{ value: { length: 1 }, expected: false }
];
`;
// Create a new global to wrap with cross compartment wrappers.
var g = newGlobal();
evaluate(declareSamples)
g.evaluate(declareSamples);
var assertCode = `function (value, expected) {
assertEq(IsPossiblyWrappedTypedArray(value), expected);
return inIon();
}`;
function checkSamples(samples) {
// Create the assert function anew every run so as not to share JIT code,
// type information, etc.
var assert = new Function(`return (${assertCode})`)();
// Prevent Ion compilation of this function so that we don't freeze the
// sample array's type. If we did, IonBuilder's typed-array-length inlining
// would always see a Mixed state, preventing IsPossiblyWrappedTypedArray
// from being inlined.
with ({}) {};
do {
// spinInJit is used to ensure that we at least test all elements in the
// sample vector while running a compiled version of the assert
// function.
var spinInJit = true;
for (var i = 0; i < samples.length; i++) {
var e = samples[i];
if (!e) continue;
spinInJit = spinInJit && assert(e.value, e.expected);
}
} while(!spinInJit);
}
// Check a mix of samples from each type.
function test(a, b, c, d) {
var samples = [
a == -1 ? null : allTypedArraySamples[a],
b == -1 ? null : allObjectSamples[b],
c == -1 ? null : g.allTypedArraySamples[c],
d == -1 ? null : g.allObjectSamples[d],
];
checkSamples(samples);
}
// Check all samples.
checkSamples(allTypedArraySamples);
checkSamples(allObjectSamples);
checkSamples(g.allTypedArraySamples);
checkSamples(g.allObjectSamples);
// Check combinations mixing 2 elements from different types.
test(-1, -1, 0, 0);
test(-1, 0, -1, 0);
test(-1, 0, 0, -1);
test( 0, -1, -1, 0);
test( 0, -1, 0, -1);
test( 0, 0, -1, -1);
test( 0, 0, -1, 0);
// Check combinations mixing 3 elements from different types.
test(-1, 0, 0, 0);
test( 0, -1, 0, 0);
test( 0, 0, -1, 0);
test( 0, 0, 0, -1);
// Check combinations mixing 4 elements from different types.
test( 0, 0, 0, 0);