49 lines
2.0 KiB
JavaScript
49 lines
2.0 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 addon = require(`./build/${common.buildType}/binding`);
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const getterOnlyErrorRE =
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/^TypeError: Cannot set property .* of #<.*> which has only a getter$/;
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const valueDescriptor = Object.getOwnPropertyDescriptor(
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addon.MyObject.prototype, 'value');
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const valueReadonlyDescriptor = Object.getOwnPropertyDescriptor(
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addon.MyObject.prototype, 'valueReadonly');
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const plusOneDescriptor = Object.getOwnPropertyDescriptor(
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addon.MyObject.prototype, 'plusOne');
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assert.strictEqual(typeof valueDescriptor.get, 'function');
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assert.strictEqual(typeof valueDescriptor.set, 'function');
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assert.strictEqual(valueDescriptor.value, undefined);
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assert.strictEqual(valueDescriptor.enumerable, false);
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assert.strictEqual(valueDescriptor.configurable, false);
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assert.strictEqual(typeof valueReadonlyDescriptor.get, 'function');
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assert.strictEqual(valueReadonlyDescriptor.set, undefined);
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assert.strictEqual(valueReadonlyDescriptor.value, undefined);
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assert.strictEqual(valueReadonlyDescriptor.enumerable, false);
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assert.strictEqual(valueReadonlyDescriptor.configurable, false);
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assert.strictEqual(plusOneDescriptor.get, undefined);
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assert.strictEqual(plusOneDescriptor.set, undefined);
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assert.strictEqual(typeof plusOneDescriptor.value, 'function');
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assert.strictEqual(plusOneDescriptor.enumerable, false);
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assert.strictEqual(plusOneDescriptor.configurable, false);
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const obj = new addon.MyObject(9);
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assert.strictEqual(obj.value, 9);
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obj.value = 10;
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assert.strictEqual(obj.value, 10);
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assert.strictEqual(obj.valueReadonly, 10);
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assert.throws(() => { obj.valueReadonly = 14; }, getterOnlyErrorRE);
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assert.strictEqual(obj.plusOne(), 11);
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assert.strictEqual(obj.plusOne(), 12);
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assert.strictEqual(obj.plusOne(), 13);
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assert.strictEqual(obj.multiply().value, 13);
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assert.strictEqual(obj.multiply(10).value, 130);
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const newobj = obj.multiply(-1);
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assert.strictEqual(newobj.value, -13);
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assert.strictEqual(newobj.valueReadonly, -13);
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assert.notStrictEqual(obj, newobj);
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