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'use strict';
require('../common');
const assert = require('assert');
// Test that assert.ifError has the correct stack trace of both stacks.
let err;
// Create some random error frames.
(function a() {
(function b() {
(function c() {
err = new Error('test error');
})();
})();
})();
const msg = err.message;
const stack = err.stack;
(function x() {
(function y() {
(function z() {
let threw = false;
try {
assert.ifError(err);
} catch (e) {
assert.strictEqual(e.message,
'ifError got unwanted exception: test error');
assert.strictEqual(err.message, msg);
assert.strictEqual(e.actual, err);
assert.strictEqual(e.actual.stack, stack);
assert.strictEqual(e.expected, null);
assert.strictEqual(e.operator, 'ifError');
threw = true;
}
assert(threw);
})();
})();
})();
assert.throws(
() => {
const error = new Error();
error.stack = 'Error: containing weird stack\nYes!\nI am part of a stack.';
assert.ifError(error);
},
(error) => {
assert(!error.stack.includes('Yes!'));
return true;
}
);
assert.throws(
() => assert.ifError(new TypeError()),
{
message: 'ifError got unwanted exception: TypeError'
}
);
assert.throws(
() => assert.ifError({ stack: false }),
{
message: 'ifError got unwanted exception: { stack: false }'
}
);
assert.throws(
() => assert.ifError({ constructor: null, message: '' }),
{
message: 'ifError got unwanted exception: '
}
);
assert.throws(
() => { assert.ifError(false); },
{
message: 'ifError got unwanted exception: false'
}
);
// Should not throw.
assert.ifError(null);
assert.ifError();
assert.ifError(undefined);
// https://github.com/nodejs/node-v0.x-archive/issues/2893
{
let threw = false;
try {
// eslint-disable-next-line no-restricted-syntax
assert.throws(() => {
assert.ifError(null);
});
} catch (e) {
threw = true;
assert.strictEqual(e.message, 'Missing expected exception.');
assert(!e.stack.includes('throws'), e);
}
assert(threw);
}
|
