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 ## Command line

 **doctest** works quite nicely without any command line options at all - but for more control a bunch are available.

 **Query flags** - after the result is printed the program quits without executing any test cases (and if the framework is integrated into a client codebase which [**supplies it's own ```main()``` entry point**](main.html) - the program should check the result of ```doctest::Context::shouldExit()``` after calling ```doctest::Context::run()``` and should exit - this is left up to the user).

 **Int/String options** - they require a value after the ```=``` sign - without spaces! For example: ```--order-by=rand```.

 **Bool options** - they expect ```1```/```yes```/```on```/```true``` or ```0```/```no```/```off```/```false``` after the ```=``` sign - but they can also be used like flags and the ```=value``` part can be skipped - then ```true``` is assumed.

 **Filters** use wildcards for matching values - where ```*``` means "match any sequence" and ```?``` means "match any one character".
 To pass a pattern with an interval use ```""``` like this:  ```--test-case="*no sound*,vaguely named test number ?"```.

 All the options can also be set with code (defaults/overrides) if the user [**supplies the ```main()``` function**](main.html).

 | Query Flags | Description |
 |:------------|-------------|
 | ```-?``` &nbsp;&nbsp;&nbsp; ```--help``` ```-h``` | Prints a help message listing all these flags/options |
 | ```-v``` &nbsp;&nbsp;&nbsp; ```--version``` | Prints the version of the **doctest** framework |
 | ```-c``` &nbsp;&nbsp;&nbsp; ```--count``` | Prints the number of test cases matching the current filters (see below) |
 | ```-ltc``` ```--list-test-cases``` | Lists all test cases by name which match the current filters (see below) |
 | ```-lts``` ```--list-test-suites``` | Lists all test suites by name which have at least one test case matching the current filters (see below) |
 | **Int/String Options** | <hr> |
 | ```-tc``` &nbsp; ```--test-case=<filters>``` | Filters test cases based on their name. By default all test cases match but if a value is given to this filter like ```--test-case=*math*,*sound*``` then only test cases who match atleast one of the patterns in the comma-separated list with wildcards will get executed/counted/listed |
 | ```-tce``` ```--test-case-exclude=<filters>``` | Same as the ```-test-case=<filters>``` option but if any of the patterns in the comma-separated list of values matches - then the test case is skipped |
 | ```-sf``` &nbsp; ```--source-file=<filters>``` | Same as ```--test-case=<filters>``` but filters based on the file in which test cases are written |
 | ```-sfe``` ```--source-file-exclude=<filters>``` | Same as ```--test-case-exclude=<filters>``` but filters based on the file in which test cases are written |
 | ```-ts``` &nbsp; ```--test-suite=<filters>``` | Same as ```--test-case=<filters>``` but filters based on the test suite in which test cases are in |
 | ```-tse``` ```--test-suite-exclude=<filters>``` | Same as ```--test-case-exclude=<filters>``` but filters based on the test suite in which test cases are in |
 | ```-ob``` &nbsp; ```--order-by=<string>``` | Test cases will be sorted before being executed either by **the file in which they are** / **the test suite they are in** / **their name** / **random**. The possible values of ```<string>``` are ```file```/```suite```/```name```/```rand```. The default is ```file``` |
 | ```-rs``` &nbsp; ```--rand-seed=<int>``` | The seed for random ordering |
 | ```-f``` &nbsp;&nbsp;&nbsp; ```--first=<int>``` | The **first** test case to execute which passes the current filters - for range-based execution - see [**the example**](../../examples/range_based_execution/) (the **run.py** script) |
 | ```-l``` &nbsp;&nbsp;&nbsp; ```--last=<int>``` | The **last** test case to execute which passes the current filters - for range-based execution - see [**the example**](../../examples/range_based_execution/) (the **run.py** script) |
 | ```-aa``` &nbsp; ```--abort-after=<int>``` | The testing framework will stop executing test cases/assertions after this many failed assertions. The default is 0 which means don't stop at all |
 | **Bool Options** | <hr> |
 | ```-s``` &nbsp;&nbsp;&nbsp; ```--success=<bool>``` | To include successful assertions in the output |
 | ```-cs``` &nbsp; ```--case-sensitive=<bool>``` | Filters being treated as case sensitive |
 | ```-e``` &nbsp;&nbsp;&nbsp; ```--exit=<bool>``` | Exits after the tests finish - this is meaningful only when the client has [**provided the ```main()``` entry point**](main.html)  - the program should check ```doctest::Context::shouldExit()``` after calling ```doctest::Context::run()``` and should exit - this is left up to the user. The idea is to be able to execute just the tests in a client program and to not continue with it's execution |
 | ```-nt``` &nbsp; ```--no-throw=<bool>``` | Skips [**exceptions-related assertion**](assertions.html#exceptions) checks |
 | ```-ne``` &nbsp; ```--no-exitcode=<bool>``` | Always returns a successful exit code - even if a test case has failed |
 | ```-nr``` &nbsp; ```--no-run=<bool>``` | Skips all runtime **doctest** operations (except the test registering which happens before the program enters ```main()```). This is useful if the testing framework is integrated into a client codebase which has [**provided the ```main()``` entry point**](main.html) and the user wants to skip running the tests and just use the program |
 | ```-nv``` &nbsp; ```--no-version=<bool>``` | Omits the framework version in the output |
 | ```-nc``` &nbsp; ```--no-colors=<bool>``` | Disables colors in the output |
 | ```-fc``` &nbsp; ```--force-colors=<bool>``` | Forces the use of colors even when a tty cannot be detected |
 | ```-nb``` &nbsp; ```--no-breaks=<bool>``` | Disables breakpoints in debuggers when an assertion fails |
 | ```-npf``` ```--no-path-filenames=<bool>``` | Paths are removed from the output when a filename is printed - useful if you want the same output from the testing framework on different environments |
 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;| |

 All the flags/options also come with a prefixed version (with ```--dt-``` at the front) - for example ```--version``` can be used also with ```--dt-version``` or ```--dt-v```.

 All the unprefixed versions listed here can be disabled with the [**```DOCTEST_CONFIG_NO_UNPREFIXED_OPTIONS```**](configuration.html#doctest_config_no_unprefixed_options) define.

 This is done for easy interoperability with client command line option handling when the testing framework is integrated within a client codebase - all **doctest** related flags/options can be prefixed so there are no clashes and so that the user can exclude everything starting with ```--dt-``` from their option parsing.

 If there isn't an option to exclude everything starting with ```--dt-``` then the [**removing_doctest_options**](../../examples/removing_doctest_options/) example might help.

 ---------------

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	## Command line

	doctest works quite nicely without any command line options at all - but for more control a bunch are available.

	Query flags - after the result is printed the program quits without executing any test cases (and if the framework is integrated into a client codebase which [supplies it's own ```main()``` entry point](main.html) - the program should check the result of ```doctest::Context::shouldExit()``` after calling ```doctest::Context::run()``` and should exit - this is left up to the user).

	Int/String options - they require a value after the ```=``` sign - without spaces! For example: ```--order-by=rand```.

	Bool options - they expect ```1```/```yes```/```on```/```true``` or ```0```/```no```/```off```/```false``` after the ```=``` sign - but they can also be used like flags and the ```=value``` part can be skipped - then ```true``` is assumed.

	Filters use wildcards for matching values - where ```*``` means "match any sequence" and ```?``` means "match any one character".
	To pass a pattern with an interval use ```""``` like this: ```--test-case="no sound,vaguely named test number ?"```.

	All the options can also be set with code (defaults/overrides) if the user [supplies the ```main()``` function](main.html).

	\| Query Flags \| Description \|
	\|:------------\|-------------\|
	\| ```-?```     ```--help``` ```-h``` \| Prints a help message listing all these flags/options \|
	\| ```-v```     ```--version``` \| Prints the version of the doctest framework \|
	\| ```-c```     ```--count``` \| Prints the number of test cases matching the current filters (see below) \|
	\| ```-ltc``` ```--list-test-cases``` \| Lists all test cases by name which match the current filters (see below) \|
	\| ```-lts``` ```--list-test-suites``` \| Lists all test suites by name which have at least one test case matching the current filters (see below) \|
	\| Int/String Options \| <hr> \|
	\| ```-tc```   ```--test-case=<filters>``` \| Filters test cases based on their name. By default all test cases match but if a value is given to this filter like ```--test-case=math,sound``` then only test cases who match atleast one of the patterns in the comma-separated list with wildcards will get executed/counted/listed \|
	\| ```-tce``` ```--test-case-exclude=<filters>``` \| Same as the ```-test-case=<filters>``` option but if any of the patterns in the comma-separated list of values matches - then the test case is skipped \|
	\| ```-sf```   ```--source-file=<filters>``` \| Same as ```--test-case=<filters>``` but filters based on the file in which test cases are written \|
	\| ```-sfe``` ```--source-file-exclude=<filters>``` \| Same as ```--test-case-exclude=<filters>``` but filters based on the file in which test cases are written \|
	\| ```-ts```   ```--test-suite=<filters>``` \| Same as ```--test-case=<filters>``` but filters based on the test suite in which test cases are in \|
	\| ```-tse``` ```--test-suite-exclude=<filters>``` \| Same as ```--test-case-exclude=<filters>``` but filters based on the test suite in which test cases are in \|
	\| ```-ob```   ```--order-by=<string>``` \| Test cases will be sorted before being executed either by the file in which they are / the test suite they are in / their name / random. The possible values of ```<string>``` are ```file```/```suite```/```name```/```rand```. The default is ```file``` \|
	\| ```-rs```   ```--rand-seed=<int>``` \| The seed for random ordering \|
	\| ```-f```     ```--first=<int>``` \| The first test case to execute which passes the current filters - for range-based execution - see [the example](../../examples/range_based_execution/) (the run.py script) \|
	\| ```-l```     ```--last=<int>``` \| The last test case to execute which passes the current filters - for range-based execution - see [the example](../../examples/range_based_execution/) (the run.py script) \|
	\| ```-aa```   ```--abort-after=<int>``` \| The testing framework will stop executing test cases/assertions after this many failed assertions. The default is 0 which means don't stop at all \|
	\| Bool Options \| <hr> \|
	\| ```-s```     ```--success=<bool>``` \| To include successful assertions in the output \|
	\| ```-cs```   ```--case-sensitive=<bool>``` \| Filters being treated as case sensitive \|
	\| ```-e```     ```--exit=<bool>``` \| Exits after the tests finish - this is meaningful only when the client has [provided the ```main()``` entry point](main.html) - the program should check ```doctest::Context::shouldExit()``` after calling ```doctest::Context::run()``` and should exit - this is left up to the user. The idea is to be able to execute just the tests in a client program and to not continue with it's execution \|
	\| ```-nt```   ```--no-throw=<bool>``` \| Skips [exceptions-related assertion](assertions.html#exceptions) checks \|
	\| ```-ne```   ```--no-exitcode=<bool>``` \| Always returns a successful exit code - even if a test case has failed \|
	\| ```-nr```   ```--no-run=<bool>``` \| Skips all runtime doctest operations (except the test registering which happens before the program enters ```main()```). This is useful if the testing framework is integrated into a client codebase which has [provided the ```main()``` entry point](main.html) and the user wants to skip running the tests and just use the program \|
	\| ```-nv```   ```--no-version=<bool>``` \| Omits the framework version in the output \|
	\| ```-nc```   ```--no-colors=<bool>``` \| Disables colors in the output \|
	\| ```-fc```   ```--force-colors=<bool>``` \| Forces the use of colors even when a tty cannot be detected \|
	\| ```-nb```   ```--no-breaks=<bool>``` \| Disables breakpoints in debuggers when an assertion fails \|
	\| ```-npf``` ```--no-path-filenames=<bool>``` \| Paths are removed from the output when a filename is printed - useful if you want the same output from the testing framework on different environments \|
	\|                                                                  \| \|

	All the flags/options also come with a prefixed version (with ```--dt-``` at the front) - for example ```--version``` can be used also with ```--dt-version``` or ```--dt-v```.

	All the unprefixed versions listed here can be disabled with the [```DOCTEST_CONFIG_NO_UNPREFIXED_OPTIONS```](configuration.html#doctest_config_no_unprefixed_options) define.

	This is done for easy interoperability with client command line option handling when the testing framework is integrated within a client codebase - all doctest related flags/options can be prefixed so there are no clashes and so that the user can exclude everything starting with ```--dt-``` from their option parsing.

	If there isn't an option to exclude everything starting with ```--dt-``` then the [removing_doctest_options](../../examples/removing_doctest_options/) example might help.

	---------------

	[Home](readme.html#reference)


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