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The API is required that `byte_length + byte_offset` is less than or equal to the size in bytes of the array passed in. If not, a RangeError exception is raised[1]. [1] https://nodejs.org/api/n-api.html#n_api_napi_create_dataview PR-URL: https://github.com/nodejs/node/pull/17869 Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com>
25 lines
692 B
JavaScript
25 lines
692 B
JavaScript
'use strict';
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const common = require('../../common');
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const assert = require('assert');
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// Testing api calls for arrays
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const test_dataview = require(`./build/${common.buildType}/test_dataview`);
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// Test for creating dataview
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{
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const buffer = new ArrayBuffer(128);
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const template = Reflect.construct(DataView, [buffer]);
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const theDataview = test_dataview.CreateDataViewFromJSDataView(template);
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assert.ok(theDataview instanceof DataView,
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`Expect ${theDataview} to be a DataView`);
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}
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// Test for creating dataview with invalid range
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{
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const buffer = new ArrayBuffer(128);
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assert.throws(() => {
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test_dataview.CreateDataView(buffer, 10, 200);
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}, RangeError);
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}
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