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doc: argument types for assert methods
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ameliavoncat committed Feb 25, 2017
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39 changes: 39 additions & 0 deletions doc/api/assert.md
Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,8 @@ test invariants.
<!-- YAML
added: v0.5.9
-->
* `value` {any}
* `message` {any}

An alias of [`assert.ok()`][] .

Expand Down Expand Up @@ -41,6 +43,9 @@ changes:
pr-url: https://github.com/nodejs/node/pull/5910
description: Handle non-`Uint8Array` typed arrays correctly.
-->
* `actual` {any}
* `expected` {any}
* `message` {any}

Tests for deep equality between the `actual` and `expected` parameters.
Primitive values are compared with the equal comparison operator ( `==` ).
Expand Down Expand Up @@ -112,6 +117,9 @@ changes:
pr-url: https://github.com/nodejs/node/pull/5910
description: Handle non-`Uint8Array` typed arrays correctly.
-->
* `actual` {any}
* `expected` {any}
* `message` {any}

Generally identical to `assert.deepEqual()` with two exceptions. First,
primitive values are compared using the strict equality operator ( `===` ).
Expand Down Expand Up @@ -143,6 +151,9 @@ changes:
pr-url: https://github.com/nodejs/node/pull/3276
description: The `error` parameter can now be an arrow function.
-->
* `block` {Function}
* `error` {RegExp|Function}
* `message` {any}

Asserts that the function `block` does not throw an error. See
[`assert.throws()`][] for more details.
Expand Down Expand Up @@ -198,6 +209,9 @@ assert.doesNotThrow(
<!-- YAML
added: v0.1.21
-->
* `actual` {any}
* `expected` {any}
* `message` {any}

Tests shallow, coercive equality between the `actual` and `expected` parameters
using the equal comparison operator ( `==` ).
Expand All @@ -224,6 +238,10 @@ parameter is undefined, a default error message is assigned.
<!-- YAML
added: v0.1.21
-->
* `actual` {any}
* `expected` {any}
* `message` {any}
* `operator` {String}

Throws an `AssertionError`. If `message` is falsy, the error message is set as
the values of `actual` and `expected` separated by the provided `operator`.
Expand All @@ -243,6 +261,7 @@ assert.fail(1, 2, 'whoops', '>');
<!-- YAML
added: v0.1.97
-->
* `value` {any}

Throws `value` if `value` is truthy. This is useful when testing the `error`
argument in callbacks.
Expand All @@ -264,6 +283,9 @@ assert.ifError(new Error());
<!-- YAML
added: v0.1.21
-->
* `actual` {any}
* `expected` {any}
* `message` {any}

Tests for any deep inequality. Opposite of [`assert.deepEqual()`][].

Expand Down Expand Up @@ -308,6 +330,9 @@ parameter is undefined, a default error message is assigned.
<!-- YAML
added: v1.2.0
-->
* `actual` {any}
* `expected` {any}
* `message` {any}

Tests for deep strict inequality. Opposite of [`assert.deepStrictEqual()`][].

Expand All @@ -329,6 +354,9 @@ the `message` parameter is undefined, a default error message is assigned.
<!-- YAML
added: v0.1.21
-->
* `actual` {any}
* `expected` {any}
* `message` {any}

Tests shallow, coercive inequality with the not equal comparison operator
( `!=` ).
Expand All @@ -354,6 +382,9 @@ parameter is undefined, a default error message is assigned.
<!-- YAML
added: v0.1.21
-->
* `actual` {any}
* `expected` {any}
* `message` {any}

Tests strict inequality as determined by the strict not equal operator
( `!==` ).
Expand All @@ -379,6 +410,8 @@ If the values are strictly equal, an `AssertionError` is thrown with a
<!-- YAML
added: v0.1.21
-->
* `value` {any}
* `message` {any}

Tests if `value` is truthy. It is equivalent to
`assert.equal(!!value, true, message)`.
Expand Down Expand Up @@ -406,6 +439,9 @@ assert.ok(false, 'it\'s false');
<!-- YAML
added: v0.1.21
-->
* `actual` {any}
* `expected` {any}
* `message` {any}

Tests strict equality as determined by the strict equality operator ( `===` ).

Expand Down Expand Up @@ -434,6 +470,9 @@ changes:
pr-url: https://github.com/nodejs/node/pull/3276
description: The `error` parameter can now be an arrow function.
-->
* `block` {Function}
* `error` {RegExp|Function}
* `message` {any}

Expects the function `block` to throw an error.

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