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Add structural comparison

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This commit is contained in:
Andrew Morris
2023-06-29 11:05:12 +10:00
parent b2bb618c52
commit 05efdfd517
5 changed files with 206 additions and 10 deletions
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39
inputs/passing/structureCmp.ts Normal file
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@@ -0,0 +1,39 @@
//! test_output(24)
export default function () {
let count = 0;
const cases: [unknown, unknown, { loose: boolean; strict: boolean }][] = [
[[], [], { loose: true, strict: true }],
[[], [1], { loose: false, strict: false }],
[[1, 2, 3], [1, 2, 3], { loose: true, strict: true }],
[[1, 2, 3], [1, "2", 3], { loose: true, strict: false }],
[{}, {}, { loose: true, strict: true }],
[{}, { x: 1 }, { loose: false, strict: false }],
[{}, { [Symbol.iterator]: 1 }, { loose: false, strict: false }],
[{ x: 1, y: 2, z: 3 }, { x: 1, y: 2, z: 3 }, { loose: true, strict: true }],
[{ x: 1, y: 2, z: 3 }, { x: 1, y: "2", z: 3 }, {
loose: true,
strict: false,
}],
[[[[[[1]]]]], [[[[[1]]]]], { loose: true, strict: true }],
[[[[[["1"]]]]], [[[[[1]]]]], { loose: true, strict: false }],
[null, undefined, { loose: true, strict: false }],
];
for (const [left, right, { loose, strict }] of cases) {
if ((left == right) === loose) {
count++;
} else {
throw new Error(`Expected ${left} == ${right} to be ${loose}`);
}
if ((left === right) === strict) {
count++;
} else {
throw new Error(`Expected ${left} === ${right} to be ${strict}`);
}
}
return count;
}