bigint-compare-null-or-undef.js (1776B)
1 // Test relational comparison when one operand is null or undefined. 2 3 function test(xs) { 4 for (let i = 0; i < 200; ++i) { 5 let x = xs[i % xs.length]; 6 7 // The result is equal when compared to the result with explicit ToNumber conversions. 8 9 // Test when null-or-undefined is on the right-hand side. 10 assertEq(x < nullOrUndef, x < (+nullOrUndef)); 11 assertEq(x <= nullOrUndef, x <= (+nullOrUndef)); 12 assertEq(x >= nullOrUndef, x >= (+nullOrUndef)); 13 assertEq(x > nullOrUndef, x > (+nullOrUndef)); 14 15 // Test when null-or-undefined is on the left-hand side. 16 assertEq(nullOrUndef < x, (+nullOrUndef) < x); 17 assertEq(nullOrUndef <= x, (+nullOrUndef) <= x); 18 assertEq(nullOrUndef >= x, (+nullOrUndef) >= x); 19 assertEq(nullOrUndef > x, (+nullOrUndef) > x); 20 } 21 } 22 23 function runTest(inputs) { 24 let fNull = Function(`return ${test}`.replaceAll("nullOrUndef", "null"))(); 25 fNull(inputs); 26 27 let fUndefined = Function(`return ${test}`.replaceAll("nullOrUndef", "undefined"))(); 28 fUndefined(inputs); 29 } 30 31 // BigInt inputs 32 runTest([ 33 // Definitely heap digits. 34 -(2n ** 1000n), 35 36 // -(2n**64n) 37 -18446744073709551617n, 38 -18446744073709551616n, 39 -18446744073709551615n, 40 41 // -(2n**63n) 42 -9223372036854775809n, 43 -9223372036854775808n, 44 -9223372036854775807n, 45 46 // -(2**32) 47 -4294967297n, 48 -4294967296n, 49 -4294967295n, 50 51 // -(2**31) 52 -2147483649n, 53 -2147483648n, 54 -2147483647n, 55 56 -1n, 57 0n, 58 1n, 59 60 // 2**31 61 2147483647n, 62 2147483648n, 63 2147483649n, 64 65 // 2**32 66 4294967295n, 67 4294967296n, 68 4294967297n, 69 70 // 2n**63n 71 9223372036854775807n, 72 9223372036854775808n, 73 9223372036854775809n, 74 75 // 2n**64n 76 18446744073709551615n, 77 18446744073709551616n, 78 18446744073709551617n, 79 80 // Definitely heap digits. 81 2n ** 1000n, 82 ]);