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4241577112
We chose to document this in the docs as there are different possible behaviours. Adding this test to validate that all vm implementations do it the same way. PR-URL: https://github.com/nodejs/node/pull/12633 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
48 lines
1.7 KiB
JavaScript
48 lines
1.7 KiB
JavaScript
'use strict';
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const common = require('../../common');
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const assert = require('assert');
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const test_number = require(`./build/${common.buildType}/test_number`);
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// testing api calls for number
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assert.strictEqual(0, test_number.Test(0));
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assert.strictEqual(1, test_number.Test(1));
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assert.strictEqual(-1, test_number.Test(-1));
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assert.strictEqual(100, test_number.Test(100));
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assert.strictEqual(2121, test_number.Test(2121));
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assert.strictEqual(-1233, test_number.Test(-1233));
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assert.strictEqual(986583, test_number.Test(986583));
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assert.strictEqual(-976675, test_number.Test(-976675));
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const num1 = 98765432213456789876546896323445679887645323232436587988766545658;
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assert.strictEqual(num1, test_number.Test(num1));
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const num2 = -4350987086545760976737453646576078997096876957864353245245769809;
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assert.strictEqual(num2, test_number.Test(num2));
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const num3 = Number.MAX_SAFE_INTEGER;
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assert.strictEqual(num3, test_number.Test(num3));
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const num4 = Number.MAX_SAFE_INTEGER + 10;
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assert.strictEqual(num4, test_number.Test(num4));
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const num5 = Number.MAX_VALUE;
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assert.strictEqual(num5, test_number.Test(num5));
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const num6 = Number.MAX_VALUE + 10;
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assert.strictEqual(num6, test_number.Test(num6));
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const num7 = Number.POSITIVE_INFINITY;
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assert.strictEqual(num7, test_number.Test(num7));
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const num8 = Number.NEGATIVE_INFINITY;
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assert.strictEqual(num8, test_number.Test(num8));
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// validate documented behaviour when value is retrieved
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// as 32 bit integer with napi_get_value_int32
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assert.strictEqual(1, test_number.TestInt32Truncation(4294967297));
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assert.strictEqual(0, test_number.TestInt32Truncation(4294967296));
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assert.strictEqual(-1, test_number.TestInt32Truncation(4294967295));
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assert.strictEqual(3, test_number.TestInt32Truncation(4294967296 * 5 + 3));
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