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