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'use strict';
const common = require('../common');
const assert = require('assert');
// No args
assert.throws(
() => { assert.fail(); },
common.expectsError({
code: 'ERR_ASSERTION',
type: assert.AssertionError,
message: 'Failed',
operator: undefined,
actual: undefined,
expected: undefined
})
);
// One arg = message
assert.throws(
() => { assert.fail('custom message'); },
common.expectsError({
code: 'ERR_ASSERTION',
type: assert.AssertionError,
message: 'custom message',
operator: undefined,
actual: undefined,
expected: undefined
})
);
// Two args only, operator defaults to '!='
assert.throws(
() => { assert.fail('first', 'second'); },
common.expectsError({
code: 'ERR_ASSERTION',
type: assert.AssertionError,
message: '\'first\' != \'second\'',
operator: '!=',
actual: 'first',
expected: 'second'
})
);
// Three args
assert.throws(
() => { assert.fail('ignored', 'ignored', 'another custom message'); },
common.expectsError({
code: 'ERR_ASSERTION',
type: assert.AssertionError,
message: 'another custom message',
operator: undefined,
actual: 'ignored',
expected: 'ignored'
})
);
// No third arg (but a fourth arg)
assert.throws(
() => { assert.fail('first', 'second', undefined, 'operator'); },
common.expectsError({
code: 'ERR_ASSERTION',
type: assert.AssertionError,
message: '\'first\' operator \'second\'',
operator: 'operator',
actual: 'first',
expected: 'second'
})
);
// The stackFrameFunction should exclude the foo frame
assert.throws(
function foo() { assert.fail('first', 'second', 'message', '!==', foo); },
(err) => !/foo/m.test(err.stack)
);
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