1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
'use strict';
const common = require('../../common');
const test_exception = require(`./build/${common.buildType}/test_exception`);
const assert = require('assert');
const theError = new Error('Some error');
{
const throwTheError = () => { throw theError; };
// Test that the native side successfully captures the exception
let returnedError = test_exception.returnException(throwTheError);
assert.strictEqual(theError, returnedError);
// Test that the native side passes the exception through
assert.throws(
() => { test_exception.allowException(throwTheError); },
(err) => err === theError
);
// Test that the exception thrown above was marked as pending
// before it was handled on the JS side
const exception_pending = test_exception.wasPending();
assert.strictEqual(exception_pending, true,
'Exception not pending as expected,' +
` .wasPending() returned ${exception_pending}`);
// Test that the native side does not capture a non-existing exception
returnedError = test_exception.returnException(common.mustCall());
assert.strictEqual(returnedError, undefined,
'Returned error should be undefined when no exception is' +
` thrown, but ${returnedError} was passed`);
}
{
// Test that no exception appears that was not thrown by us
let caughtError;
try {
test_exception.allowException(common.mustCall());
} catch (anError) {
caughtError = anError;
}
assert.strictEqual(caughtError, undefined,
'No exception originated on the native side, but' +
` ${caughtError} was passed`);
// Test that the exception state remains clear when no exception is thrown
const exception_pending = test_exception.wasPending();
assert.strictEqual(exception_pending, false,
'Exception state did not remain clear as expected,' +
` .wasPending() returned ${exception_pending}`);
}
|