ladybird/Libraries/LibJS/Tests/operators/binary-bitwise-left-shift.js
2020-07-06 23:40:35 +02:00

63 lines
1.3 KiB
JavaScript

load("test-common.js");
try {
assert(0 << 0 === 0);
assert(0 << 1 === 0);
assert(0 << 2 === 0);
assert(0 << 3 === 0);
assert(0 << 4 === 0);
assert(0 << 5 === 0);
assert(1 << 0 === 1);
assert(1 << 1 === 2);
assert(1 << 2 === 4);
assert(1 << 3 === 8);
assert(1 << 4 === 16);
assert(1 << 5 === 32);
assert(2 << 0 === 2);
assert(2 << 1 === 4);
assert(2 << 2 === 8);
assert(2 << 3 === 16);
assert(2 << 4 === 32);
assert(2 << 5 === 64);
assert(3 << 0 === 3);
assert(3 << 1 === 6);
assert(3 << 2 === 12);
assert(3 << 3 === 24);
assert(3 << 4 === 48);
assert(3 << 5 === 96);
assert(4 << 0 === 4);
assert(4 << 1 === 8);
assert(4 << 2 === 16);
assert(4 << 3 === 32);
assert(4 << 4 === 64);
assert(4 << 5 === 128);
assert(5 << 0 === 5);
assert(5 << 1 === 10);
assert(5 << 2 === 20);
assert(5 << 3 === 40);
assert(5 << 4 === 80);
assert(5 << 5 === 160);
var x = 3;
var y = 7;
assert("42" << 6 === 2688);
assert(x << y === 384);
assert(x << [[[[12]]]] === 12288);
assert(undefined << y === 0);
assert("a" << "b" === 0);
assert(null << null === 0);
assert(undefined << undefined === 0);
assert(NaN << NaN === 0);
assert(NaN << 6 === 0);
assert(Infinity << Infinity === 0);
assert(-Infinity << Infinity === 0);
console.log("PASS");
} catch (e) {
console.log("FAIL: " + e);
}