ladybird/Libraries/LibJS/Tests/binary-bitwise-left-shift.js

63 lines
1.5 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);
}