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function testName(thisv) {
var failures = [
// Not a function
"length",
// TODO: Different implementation
"toString",
"toSource",
"valueOf",
// Aliases
"trimLeft",
"trimRight",
// Returns empty string
"constructor"
]
var keys = Object.getOwnPropertyNames(String.prototype);
for (var key of keys) {
var message;
try {
String.prototype[key].call(thisv);
} catch (e) {
message = e.message;
}
var expected = `String.prototype.${key} called on incompatible ${thisv}`;
if (failures.includes(key)) {
assertEq(message !== expected, true)
} else {
assertEq(message, expected);
}
}
}
testName(null);
testName(undefined);
// On-off test for Symbol.iterator
function testIterator(thisv) {
var message;
try {
String.prototype[Symbol.iterator].call(thisv);
} catch (e) {
message = e.message;
}
assertEq(message, `String.prototype[Symbol.iterator] called on incompatible ${thisv}`);
}
testIterator(null);
testIterator(undefined);
if (typeof reportCompare === "function")
reportCompare(true, true);