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40 lines
991 B

export const tests = []
const t = (f) => tests.push(f)
// simple object
t(({ eq }) => copyAndCompare(eq, { user: 'mika', age: 37 }))
// simple array
t(({ eq }) => copyAndCompare(eq, [1, 'a']))
// works with any value type
t(({ eq }) => copyAndCompare(eq, [console.log, /hello/]))
// nesting object
t(({ eq }) => copyAndCompare(eq, { a: { b: { c: 1 } } }))
// nesting array
t(({ eq }) => copyAndCompare(eq, [1, [2, [true]]]))
// mixed nesting
t(({ eq }) => copyAndCompare(eq, [{ a: () => {} }, ['b', { b: [3] }]]))
// undefined value
t(({ eq }) => copyAndCompare(eq, { undef: undefined }))
// check deep freeze (caution: might stuns a target for 4 seconds)
t(({ eq }) => {
const r = Math.random()
const obj = [r, Object.freeze([r, Object.freeze([r])])]
const copy = deepCopy(obj)
eq(copy, obj)
return obj[1][1] !== copy[1][1]
})
Object.freeze(tests)
const copyAndCompare = (eq, obj) => {
const copy = deepCopy(Object.freeze(obj))
eq(copy, obj)
return copy !== obj
}