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33 lines
928 B
33 lines
928 B
8 years ago
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// Flags: --expose-internals
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'use strict';
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require('../common');
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const assert = require('assert');
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const {toInteger} = require('internal/util');
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const expectZero = [
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'0', '-0', NaN, {}, [], {'a': 'b'}, [1, 2], '0x', '0o', '0b', false,
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'', ' ', undefined, null
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];
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expectZero.forEach(function(value) {
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assert.strictEqual(toInteger(value), 0);
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});
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assert.strictEqual(toInteger(Infinity), Infinity);
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assert.strictEqual(toInteger(-Infinity), -Infinity);
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const expectSame = [
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'0x100', '0o100', '0b100', 0x100, -0x100, 0o100, -0o100, 0b100, -0b100, true
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];
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expectSame.forEach(function(value) {
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assert.strictEqual(toInteger(value), +value, `${value} is not an Integer`);
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});
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const expectIntegers = new Map([
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[[1], 1], [[-1], -1], [['1'], 1], [['-1'], -1],
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[3.14, 3], [-3.14, -3], ['3.14', 3], ['-3.14', -3],
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]);
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expectIntegers.forEach(function(expected, value) {
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assert.strictEqual(toInteger(value), expected);
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});
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