KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use isNotNaN32bits method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

float.spec.ts

Source:float.spec.ts

...56        float32raw(),57        fc.record({ noDefaultInfinity: fc.boolean(), noNaN: fc.boolean() }, { withDeletedKeys: true }),58        (f, otherCt) => {59          // Arrange60          fc.pre(isNotNaN32bits(f));61          spyInteger();62          // Act63          const arb = float({ ...otherCt, min: f, max: f });64          // Assert65          expect(arb).toBeDefined();66        }67      )68    );69  });70  it('should reject non-32-bit or NaN floating point numbers if specified for min', () => {71    fc.assert(72      fc.property(float64raw(), (f64) => {73        // Arrange74        fc.pre(!isNotNaN32bits(f64));75        const integer = spyInteger();76        // Act / Assert77        expect(() => float({ min: f64 })).toThrowError();78        expect(integer).not.toHaveBeenCalled();79      })80    );81  });82  it('should reject non-32-bit or NaN floating point numbers if specified for max', () => {83    fc.assert(84      fc.property(float64raw(), (f64) => {85        // Arrange86        fc.pre(!isNotNaN32bits(f64));87        const integer = spyInteger();88        // Act / Assert89        expect(() => float({ max: f64 })).toThrowError();90        expect(integer).not.toHaveBeenCalled();91      })92    );93  });94  it('should reject if specified min is strictly greater than max', () => {95    fc.assert(96      fc.property(float32raw(), float32raw(), (fa32, fb32) => {97        // Arrange98        fc.pre(isNotNaN32bits(fa32));99        fc.pre(isNotNaN32bits(fb32));100        fc.pre(!Object.is(fa32, fb32)); // Object.is can distinguish -0 from 0, while !== cannot101        const integer = spyInteger();102        const min = isStrictlySmaller(fa32, fb32) ? fb32 : fa32;103        const max = isStrictlySmaller(fa32, fb32) ? fa32 : fb32;104        // Act / Assert105        expect(() => float({ min, max })).toThrowError();106        expect(integer).not.toHaveBeenCalled();107      })108    );109  });110  it('should reject impossible noDefaultInfinity-based ranges', () => {111    // Arrange112    const integer = spyInteger();113    // Act / Assert...

FloatHelpers.spec.ts

Source:FloatHelpers.spec.ts

...78  it('should be able to infer index for negative float from the positive one', () => {79    fc.assert(80      fc.property(float32raw(), (f) => {81        // Arrange82        fc.pre(isNotNaN32bits(f));83        const posD = f > 0 || 1 / f > 0 ? f : -f;84        // Act85        const indexPos = floatToIndex(posD);86        const indexNeg = floatToIndex(-posD);87        // Assert88        expect(indexNeg).toEqual(-indexPos - 1);89      })90    );91  });92  it('should return index +1 for the successor of a given float', () => {93    fc.assert(94      fc.property(95        fc.integer({ min: -126, max: +127 }),96        fc.integer({ min: 0, max: 2 ** 24 - 1 }),97        (exponent, rescaledSignificand) => {98          // Arrange99          fc.pre(exponent === -126 || rescaledSignificand >= 2 ** 23); // valid100          fc.pre(exponent !== 127 || rescaledSignificand !== 2 ** 24 - 1); // not max101          const current = rescaledSignificand * EPSILON_32 * 2 ** exponent;102          const next = (rescaledSignificand + 1) * EPSILON_32 * 2 ** exponent;103          // Act / Assert104          expect(floatToIndex(next)).toEqual(floatToIndex(current) + 1);105        }106      )107    );108  });109  it('should preserve ordering between two floats', () => {110    fc.assert(111      fc.property(float32raw(), float32raw(), (fa32, fb32) => {112        // Arrange113        fc.pre(isNotNaN32bits(fa32) && isNotNaN32bits(fb32));114        // Act / Assert115        if (isStrictlySmaller(fa32, fb32)) expect(floatToIndex(fa32)).toBeLessThan(floatToIndex(fb32));116        else expect(floatToIndex(fa32)).toBeGreaterThanOrEqual(floatToIndex(fb32));117      })118    );119  });120});121describe('indexToFloat', () => {122  it('should properly find floats corresponding to well-known values', () => {123    expect(indexToFloat(-2139095041)).toBe(Number.NEGATIVE_INFINITY);124    expect(indexToFloat(-2139095040)).toBe(-MAX_VALUE_32);125    expect(indexToFloat(-1)).toBe(-0);126    expect(indexToFloat(0)).toBe(0);127    expect(indexToFloat(872415232)).toBe(EPSILON_32);128    expect(indexToFloat(2139095039)).toBe(MAX_VALUE_32);129    expect(indexToFloat(2139095040)).toBe(Number.POSITIVE_INFINITY);130  });131  it('should only produce 32-bit floating point numbers (excluding NaN)', () => {132    fc.assert(133      fc.property(fc.integer({ min: -2139095041, max: 2139095040 }), (index) => {134        // Arrange / Act135        const f = indexToFloat(index);136        // Assert137        expect(f).toBe(new Float32Array([f])[0]);138      })139    );140  });141  it('should reverse floatToIndex', () => {142    fc.assert(143      fc.property(float32raw(), (f32) => {144        // Arrange145        fc.pre(isNotNaN32bits(f32));146        // Act / Assert147        expect(indexToFloat(floatToIndex(f32))).toBe(f32);148      })149    );150  });151  it('should be reversed by floatToIndex', () => {152    fc.assert(153      fc.property(fc.integer({ min: -2139095041, max: 2139095040 }), (index) => {154        // The test below checks that indexToFloat(floatToIndex) is identity155        // It does not confirm that floatToIndex(indexToFloat)) is identity156        expect(floatToIndex(indexToFloat(index))).toBe(index);157      })158    );159  });...

FloatingPointHelpers.ts

Source:FloatingPointHelpers.ts

...59}60export function is32bits(f64: number): boolean {61  return Object.is(new Float32Array([f64])[0], f64);62}63export function isNotNaN32bits(f64: number): boolean {64  return !Number.isNaN(f64) && is32bits(f64);65}66export function isFiniteNotNaN32bits(f64: number): boolean {67  return Number.isFinite(f64) && isNotNaN32bits(f64);...

Using AI Code Generation

1const fc = require("fast-check");2const { isNotNaN32bits } = require("fast-check-monorepo");3fc.assert(4  fc.property(fc.double(), (num) => {5    return isNotNaN32bits(num);6  })7);8const fc = require("fast-check");9const { isNotNaN64bits } = require("fast-check-monorepo");10fc.assert(11  fc.property(fc.double(), (num) => {12    return isNotNaN64bits(num);13  })14);15const fc = require("fast-check");16const { isNotNaN128bits } = require("fast-check-monorepo");17fc.assert(18  fc.property(fc.double(), (num) => {19    return isNotNaN128bits(num);20  })21);22const fc = require("fast-check");23const { isNotNaN256bits } = require("fast-check-monorepo");24fc.assert(25  fc.property(fc.double(), (num) => {26    return isNotNaN256bits(num);27  })28);29const fc = require("fast-check");30const { isNotNaN512bits } = require("fast-check-monorepo");31fc.assert(32  fc.property(fc.double(), (num) => {33    return isNotNaN512bits(num);34  })35);36const fc = require("fast-check");37const { isNotNaN1024bits } = require("fast-check-monorepo");38fc.assert(39  fc.property(fc.double(), (num) => {40    return isNotNaN1024bits(num);41  })42);43const fc = require("fast-check");44const { isNotNaN2048bits } = require("fast-check-monorepo");45fc.assert(46  fc.property(fc.double(), (num) => {

Using AI Code Generation

1const fc = require('fast-check');2const { isNotNaN32bits } = require('fast-check-monorepo/src/check/arbitrary/FloatArbitrary.ts');3fc.assert(4    fc.property(fc.float(), (value) => {5        return isNotNaN32bits(value);6    })7);

Using AI Code Generation

1const fc = require('fast-check');2const { isNotNaN32bits } = require('fast-check-monorepo');3fc.assert(fc.property(fc.float(), (f) => {4  if (isNotNaN32bits(f)) {5    expect(f).not.toBeNaN();6    expect(f).toBeLessThanOrEqual(3.4028234663852886e38);7    expect(f).toBeGreaterThanOrEqual(-3.4028234663852886e38);8  }9}));10const fc = require('fast-check');11const { isNotNaN64bits } = require('fast-check-monorepo');12fc.assert(fc.property(fc.double(), (d) => {13  if (isNotNaN64bits(d)) {14    expect(d).not.toBeNaN();15    expect(d).toBeLessThanOrEqual(1.7976931348623157e308);16    expect(d).toBeGreaterThanOrEqual(-1.7976931348623157e308);17  }18}));19const fc = require('fast-check');20const { isNotNaN128bits } = require('fast-check-monorepo');21fc.assert(fc.property(fc.float80(), (f80) => {22  if (isNotNaN128bits(f80)) {23    expect(f80).not.toBeNaN();24    expect(f80).toBeLessThanOrEqual(1.18973149535723176508575932662800702e4932);25    expect(f80).toBeGreaterThanOrEqual(-1.18973149535723176508575932662800702e4932);26  }27}));28const fc = require('fast-check');29const { isNotNaN256bits } = require('fast-check-monorepo');30fc.assert(fc.property(fc.float128(), (f128) => {31  if (isNotNaN256bits(f128)) {32    expect(f128).not.toBeNaN();33    expect(f128).toBeLessThanOrEqual(3.40282366920938463463374607431768211455e38);34    expect(f128).toBeGreaterThanOrEqual(-3.402823669209384634633746074

Using AI Code Generation

1const fc = require("fast-check");2const { isNotNaN32bits } = require("fast-check-monorepo");3fc.assert(fc.property(fc.float(), (f) => isNotNaN32bits(f)));4const fc = require("fast-check");5const { isNotNaN64bits } = require("fast-check-monorepo");6fc.assert(fc.property(fc.double(), (d) => isNotNaN64bits(d)));7const fc = require("fast-check");8const { isNotNaN128bits } = require("fast-check-monorepo");9fc.assert(fc.property(fc.float(), fc.float(), (f1, f2) => isNotNaN128bits(f1, f2)));10const fc = require("fast-check");11const { isNotNaN256bits } = require("fast-check-monorepo");12fc.assert(13  fc.property(fc.float(), fc.float(), fc.float(), fc.float(), (f1, f2, f3, f4) =>14    isNotNaN256bits(f1, f2, f3, f4)15);16const fc = require("fast-check");17const { isNotNaN512bits } = require("fast-check-monorepo");18fc.assert(19  fc.property(20    fc.float(),21    fc.float(),22    fc.float(),23    fc.float(),24    fc.float(),25    fc.float(),26    fc.float(),27    fc.float(),28    (f1, f2, f3, f4, f5, f6, f7, f8) =>29      isNotNaN512bits(f1, f2, f3, f4, f5, f6, f7, f8)30);31const fc = require("fast-check");32const { isNotNaN1024bits } = require("fast-check-monorepo");33fc.assert(34  fc.property(

Using AI Code Generation

1const { isNotNaN32bits } = require('fast-check-monorepo');2const value = isNotNaN32bits(1);3console.log(value);4const { isNotNaN32bits } = require('fast-check-monorepo');5const value = isNotNaN32bits(1);6console.log(value);7const { isNotNaN32bits } = require('fast-check-monorepo');8const value = isNotNaN32bits(1);9console.log(value);10const { isNotNaN32bits } = require('fast-check-monorepo');11const value = isNotNaN32bits(1);12console.log(value);13const { isNotNaN32bits } = require('fast-check-monorepo');14const value = isNotNaN32bits(1);15console.log(value);16const { isNotNaN32bits } = require('fast-check-monorepo');17const value = isNotNaN32bits(1);18console.log(value);19const { isNotNaN32bits } = require('fast-check-monorepo');20const value = isNotNaN32bits(1);21console.log(value);22const { isNotNaN32bits } = require('fast-check-monorepo');23const value = isNotNaN32bits(1);24console.log(value);25const { isNotNaN32bits } = require('fast-check-monorepo');26const value = isNotNaN32bits(1);27console.log(value);

Using AI Code Generation

1const fc = require("fast-check");2const isNotNaN32bits = (value) => {3  const buffer = new ArrayBuffer(4);4  const view = new DataView(buffer);5  view.setFloat32(0, value);6  return view.getFloat32(0) === value;7};8fc.assert(9  fc.property(fc.float(), (value) => {10    return isNotNaN32bits(value);11  })12);13const fc = require("fast-check");14const isNotNaN64bits = (value) => {15  const buffer = new ArrayBuffer(8);16  const view = new DataView(buffer);17  view.setFloat64(0, value);18  return view.getFloat64(0) === value;19};20fc.assert(21  fc.property(fc.double(), (value) => {22    return isNotNaN64bits(value);23  })24);25const fc = require("fast-check");26const isNotNaN32bits = (value) => {27  const buffer = new ArrayBuffer(4);28  const view = new DataView(buffer);29  view.setFloat32(0, value);30  return view.getFloat32(0) === value;31};32fc.assert(33  fc.property(fc.float(), (value) => {34    return isNotNaN32bits(value);35  })36);37const fc = require("fast-check");38const isNotNaN64bits = (value) => {39  const buffer = new ArrayBuffer(8);40  const view = new DataView(buffer);41  view.setFloat64(0, value);42  return view.getFloat64(0) === value;43};44fc.assert(45  fc.property(fc.double(), (value) => {46    return isNotNaN64bits(value);47  })48);49const fc = require("fast-check

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.