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fast-check

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Property based testing framework for JavaScript (like QuickCheck)

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import { IntegerArbitrary } from './_internals/IntegerArbitrary.js'; const safeNumberIsInteger = Number.isInteger; function buildCompleteIntegerConstraints(constraints) { const min = constraints.min !== undefined ? constraints.min : -0x80000000; const max = constraints.max !== undefined ? constraints.max : 0x7fffffff; return { min, max }; } export /**@__NO_SIDE_EFFECTS__*/function integer(constraints = {}) { const fullConstraints = buildCompleteIntegerConstraints(constraints); if (fullConstraints.min > fullConstraints.max) { throw new Error('fc.integer maximum value should be equal or greater than the minimum one'); } if (!safeNumberIsInteger(fullConstraints.min)) { throw new Error('fc.integer minimum value should be an integer'); } if (!safeNumberIsInteger(fullConstraints.max)) { throw new Error('fc.integer maximum value should be an integer'); } return new IntegerArbitrary(fullConstraints.min, fullConstraints.max); }