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115 lines
3.2 KiB
115 lines
3.2 KiB
import { describe, expect, it } from '@jest/globals';
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import { toBoolean as $, False, True, fromBoolean as _, and, iif, not, or, xor } from '../src/bool';
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describe('Bool', () => {
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describe('toBoolean', () => {
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it('converts True', () => {
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expect($(True)).toBe(true);
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});
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it('converts False', () => {
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expect($(False)).toBe(false);
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});
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});
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describe('fromBoolean', () => {
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it('converts true', () => {
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expect($(_(true))).toBe(true);
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});
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it('converts false', () => {
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expect($(_(false))).toBe(false);
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});
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});
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describe('iif', () => {
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it('returns true argument', () => {
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expect(iif).toDeferEvaluationOf(False, expect.skipped(True), False);
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expect($(iif._(True)._(True)._(False))).toBe(true);
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});
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it('returns false argument', () => {
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expect(iif).toDeferEvaluationOf(True, True, expect.skipped(False));
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expect($(iif._(False)._(True)._(False))).toBe(false);
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});
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});
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describe('not', () => {
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it('not False is True', () => {
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expect(not).toDeferEvaluationOf(False);
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expect($(not._(False))).toBe(true);
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});
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it('not True is False', () => {
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expect(not).toDeferEvaluationOf(True);
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expect($(not._(True))).toBe(false);
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});
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});
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describe('and', () => {
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it('False and False is False', () => {
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expect(and).toDeferEvaluationOf(False, expect.skipped(False));
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expect($(and._(False)._(False))).toBe(false);
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});
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it('False and True is False', () => {
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expect(and).toDeferEvaluationOf(False, expect.skipped(True));
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expect($(and._(False)._(True))).toBe(false);
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});
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it('True and False is False', () => {
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expect(and).toDeferEvaluationOf(True, False);
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expect($(and._(True)._(False))).toBe(false);
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});
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it('True and True is True', () => {
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expect(and).toDeferEvaluationOf(True, True);
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expect($(and._(True)._(True))).toBe(true);
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});
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});
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describe('or', () => {
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it('False or False is False', () => {
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expect(or).toDeferEvaluationOf(False, False);
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expect($(or._(False)._(False))).toBe(false);
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});
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it('False or True is True', () => {
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expect(or).toDeferEvaluationOf(False, True);
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expect($(or._(False)._(True))).toBe(true);
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});
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it('True or False is True', () => {
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expect(or).toDeferEvaluationOf(True, expect.skipped(False));
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expect($(or._(True)._(False))).toBe(true);
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});
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it('True or True is True', () => {
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expect(or).toDeferEvaluationOf(True, expect.skipped(True));
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expect($(or._(True)._(True))).toBe(true);
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});
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});
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describe('xor', () => {
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it('False xor False is False', () => {
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expect(xor).toDeferEvaluationOf(False, False);
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expect($(xor._(False)._(False))).toBe(false);
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});
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it('False xor True is True', () => {
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expect(xor).toDeferEvaluationOf(False, True);
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expect($(xor._(False)._(True))).toBe(true);
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});
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it('True xor False is True', () => {
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expect(xor).toDeferEvaluationOf(True, False);
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expect($(xor._(True)._(False))).toBe(true);
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});
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it('True xor True is False', () => {
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expect(xor).toDeferEvaluationOf(True, True);
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expect($(xor._(True)._(True))).toBe(false);
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});
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});
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});
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