# STDLIB Testing Generic Function Reference

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## Index

* [_testing.error](#_testingerror)
* [_testing.error_pipe](#_testingerror_pipe)
* [_testing.load](#_testingload)

### _testing.error

Logs an error message.
* STDLIB_TESTING_THEME_ERROR string global: The colour to use for the message (default="LIGHT_RED").

#### Arguments

* **...** (array): The error messages to log.

#### Exit codes

* **0**: If the error message was logged.

#### Output on stderr

* The error message if the operation fails.

### _testing.error_pipe

A pipeable version _testing.error that can read from stdin and return specific error codes when errors are found.
* STDLIB_TESTING_THEME_ERROR string global: The colour to use for the message (default="LIGHT_RED").

#### Arguments

* **$1** (integer): (optional, default=1) The error code that should be returned if any error message is piped to this function.

#### Exit codes

* **0**: If the error message was not logged.
* **1**: If an error message is logged.  (This value is configurable via arguments).

#### Output on stderr

* The error message if the operation fails.

### _testing.load

Loads a module with error support.
* STDLIB_TESTING_THEME_LOAD string global: The colour to use for the message (default="GREY").

#### Arguments

* **$1** (string): The module path to source.

#### Exit codes

* **0**: If the module was loaded.
* **126**: If an invalid argument has been provided.
* **127**: If the wrong number of arguments were provided.

#### Output on stdout

* The notification message.

#### Output on stderr

* The error message if the operation fails.