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Fix strict validation of numbers with leading zeros in neo4j.int #988

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Merged
bigmontz merged 1 commit into from
Sep 6, 2022
Merged

Fix strict validation of numbers with leading zeros in neo4j.int #988

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16 changes: 15 additions & 1 deletion packages/core/src/integer.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -956,6 +956,20 @@ class Integer {
}
}

/**
* @private
* @param num
* @param radix
* @param minSize
* @returns {string}
*/
function _convertNumberToString (num: number, radix: number, minSize: number): string {
const theNumberString = num.toString(radix)
const paddingLength = Math.max(minSize - theNumberString.length, 0)
const padding = '0'.repeat(paddingLength)
return `${padding}${theNumberString}`
}

/**
*
* @private
Expand All @@ -967,7 +981,7 @@ class Integer {
function _isValidNumberFromString (theString: string, theNumber: number, radix: number): boolean {
return !Number.isNaN(theString) &&
!Number.isNaN(theNumber) &&
theNumber.toString(radix).toLocaleLowerCase() === theString.toLocaleLowerCase()
_convertNumberToString(theNumber, radix, theString.length) === theString.toLowerCase()
}

type Integerable =
Expand Down
79 changes: 79 additions & 0 deletions packages/core/test/integer.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -309,6 +309,12 @@ describe('Integer', () => {
test('int("7891123456789876a") not toThrow invalid character', () =>
expect(() => int('7891123456789876a')).not.toThrow())

test.each(malformedNumbers())('int("%s", { strictStringValidation: true }) toThrow invalid character', (theNumberString) =>
expect(() => int(theNumberString, { strictStringValidation: true })).toThrow())

test.each(wellFormedNumbersAndRadix())('Integer.fromString("%s", %n, { strictStringValidation: true }) not toThrown', (theNumberString, radix) =>
expect(() => Integer.fromString(theNumberString, radix, { strictStringValidation: true })).not.toThrow())

forEachStaticToNumberScenarios(({ input, expectedOutput }) =>
test(`Integer.toNumber(${mayIntegerToString(input)}) toEqual ${expectedOutput}`, () =>
expect(Integer.toNumber(input)).toEqual(expectedOutput))
Expand Down Expand Up @@ -1109,6 +1115,79 @@ function forEachStaticInSafeRangeScenarios (
].forEach(func)
}

function malformedNumbers (): string[] {
return [
'7a',
'7891123a',
'78911234a',
'789112345a',
'7891123456a',
'7891123456789876a',
'78911234567898765a',
'789112345678987654a',
'78911234567898765a2',
'7891123456789876a25',
'789112345678987a256',
'78911234567898a2567',
'7891123456789a25678',
'789112345678a256789',
'78911234567a2567898',
'7891123456a25678987',
'789112345a256789876',
'78911234a2567898765',
'7891123a25678987654',
'7891123ab2567898765',
'78911234ab256789876',
'789112345ab25678987',
'7891123456ab2567898',
'78911234567ab256789',
'78911234567abc25678',
'78911234567abcd2567',
'78911234567abcde256',
'78911234567abcdef25',
'78911234567abcdefg2',
'7891123456abcdefgh1',
'789112345abcdefgh12',
'78911234abcdefgh123',
'7891123abcdefgh1234',
'789112abcdefghij123',
'7kkkkabcdefghijklmn',
'7kkkkabcdefg12345mn',
'7kkkkabcdefg123456n',
'7kkkkab22efg123456n',
'7kkkkab22efg12345mn',
'7kkkkab223fg12345mn',
'kkkkk11223fg12345mn',
'kkkkk11223fg123456n',
'kkkkk11223fg1234567',
'kkkkk11223451234567',
'kkk111gkk3451234567',
'kkk111gkkkk51234567',
'kkk111gkkkkk123kk67',
'kkkk234',
'kkkk2345',
'kkkk23456',
'kkkk234567',
'kkkk2345679kk',
'kkkk2345679kkkkkk',
'kkk234567',
'kkk2345679',
'kk2345679',
'kkkkkkkkkkkkkkkkkkk'
]
}

function wellFormedNumbersAndRadix (): Array<[string, number]> {
return [
['01', 2],
['012', 3],
['0123', 4],
['0123456789', 10],
['0123456789ab', 12],
['0123456789abCde', 16]
]
}

interface AssertionPair<I, O> {
input: I
expectedOutput: O
Expand Down