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9516aa19c1
Use `common.mustCall()` to confirm that function is invoked. PR-URL: https://github.com/nodejs/node/pull/12959 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com> Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: James M Snell <jasnell@gmail.com>
52 lines
1.8 KiB
JavaScript
52 lines
1.8 KiB
JavaScript
'use strict';
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const common = require('../../common');
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const test_exception = require(`./build/${common.buildType}/test_exception`);
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const assert = require('assert');
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const theError = new Error('Some error');
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function throwTheError() {
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throw theError;
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}
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let caughtError;
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// Test that the native side successfully captures the exception
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let returnedError = test_exception.returnException(throwTheError);
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assert.strictEqual(theError, returnedError,
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'Returned error is strictly equal to the thrown error');
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// Test that the native side passes the exception through
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assert.throws(
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() => {
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test_exception.allowException(throwTheError);
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},
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function(err) {
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return err === theError;
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},
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'Thrown exception was allowed to pass through unhindered'
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);
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// Test that the exception thrown above was marked as pending
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// before it was handled on the JS side
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assert.strictEqual(test_exception.wasPending(), true,
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'VM was marked as having an exception pending' +
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' when it was allowed through');
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// Test that the native side does not capture a non-existing exception
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returnedError = test_exception.returnException(common.mustCall());
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assert.strictEqual(undefined, returnedError,
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'Returned error is undefined when no exception is thrown');
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// Test that no exception appears that was not thrown by us
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try {
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test_exception.allowException(common.mustCall());
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} catch (anError) {
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caughtError = anError;
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}
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assert.strictEqual(undefined, caughtError,
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'No exception originated on the native side');
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// Test that the exception state remains clear when no exception is thrown
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assert.strictEqual(test_exception.wasPending(), false,
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'VM was not marked as having an exception pending' +
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' when none was allowed through');
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