InstrumentationRegistry
public final class InstrumentationRegistry
An exposed registry instance that holds a reference to the instrumentation running in the process and its arguments.
Instrumentation and InstrumentationRegistry are low level APIs, typically used by higher level test frameworks. It is generally not recommended for direct use by most tests.
Summary
Public methods |
|
|---|---|
static @NonNull Bundle |
Returns a copy of instrumentation arguments Bundle. |
static @NonNull Instrumentation |
Returns the instrumentation currently running. |
static @NonNull void |
registerInstance(Records/exposes the instrumentation currently running and stores a copy of the instrumentation arguments Bundle in the registry. |
Public methods
getArguments
@NonNull
public static Bundle getArguments()
Returns a copy of instrumentation arguments Bundle. Use this to get a Bundle containing the command line arguments passed to Instrumentation into your test.
This Bundle is not guaranteed to be present under all instrumentations.
| Returns | |
|---|---|
Bundle |
Bundle the arguments for this instrumentation. |
| Throws | |
|---|---|
java.lang.IllegalStateException |
if no argument Bundle has been registered. |
getInstrumentation
@NonNull
public static Instrumentation getInstrumentation()
Returns the instrumentation currently running. Use this to get an Instrumentation into your test.
| Throws | |
|---|---|
java.lang.IllegalStateException |
if instrumentation hasn't been registered |
registerInstance
@NonNull
public static void registerInstance(
@NonNull Instrumentation instrumentation,
@NonNull Bundle arguments
)
Records/exposes the instrumentation currently running and stores a copy of the instrumentation arguments Bundle in the registry.
This is a global registry - so be aware of the impact of calling this method!