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function test() {
var nullUndefLhs = [
[null, "foo", "nullfoo"],
[null, "bar", "nullbar"],
[null, "123", "null123"],
[null, "", "null"],
[undefined, "abc", "undefinedabc"],
[undefined, "1", "undefined1"],
[undefined, "", "undefined"],
["abc", "def", "abcdef"],
];
for (var [lhs, rhs, expected] of nullUndefLhs) {
assertEq(lhs + rhs, expected);
}
var nullUndefRhs = [
["foo", undefined, "fooundefined"],
["bar", undefined, "barundefined"],
["123", undefined, "123undefined"],
["", undefined, "undefined"],
["abc", null, "abcnull"],
["1", null, "1null"],
["", null, "null"],
["abc", "def", "abcdef"],
];
for (var [lhs, rhs, expected] of nullUndefRhs) {
assertEq(lhs + rhs, expected);
}
}
test();
test();
test();
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