com.github.stefanbirkner.systemlambda

Class SystemLambda.SystemInStub

java.lang.Object

com.github.stefanbirkner.systemlambda.SystemLambda.SystemInStub

Enclosing class:

SystemLambda

public static class SystemLambda.SystemInStub
extends Object

A stub that defines the text provided by System.in. The methods andExceptionThrownOnInputEnd(IOException) and andExceptionThrownOnInputEnd(RuntimeException) can be used to simulate a System.in that throws an exception.

The specified behaviour of System.in is applied to an arbitrary piece of code that is provided to execute(Statement).

Method Summary

Modifier and Type	Method and Description
SystemLambda.SystemInStub	andExceptionThrownOnInputEnd(IOException exception) Sets an exception that is thrown after the text is read.
SystemLambda.SystemInStub	andExceptionThrownOnInputEnd(RuntimeException exception) Sets an exception that is thrown after the text is read.
void	execute(Statement statement) Executes the statement and lets System.in provide the specified text during the execution.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

andExceptionThrownOnInputEnd

public SystemLambda.SystemInStub andExceptionThrownOnInputEnd(IOException exception)

Sets an exception that is thrown after the text is read.

Parameters:

exception - the IOException to be thrown.

Returns:

the SystemInStub itself.

Throws:

IllegalStateException - if a RuntimeException was already set by andExceptionThrownOnInputEnd(RuntimeException)

andExceptionThrownOnInputEnd

public SystemLambda.SystemInStub andExceptionThrownOnInputEnd(RuntimeException exception)

Sets an exception that is thrown after the text is read.

Parameters:

exception - the RuntimeException to be thrown.

Returns:

the SystemInStub itself.

Throws:

IllegalStateException - if an IOException was already set by andExceptionThrownOnInputEnd(IOException)

execute

public void execute(Statement statement)
             throws Exception

Executes the statement and lets System.in provide the specified text during the execution. After the text was read it throws and exception when System.in#read is called and an exception was specified by andExceptionThrownOnInputEnd(IOException) or andExceptionThrownOnInputEnd(RuntimeException).

Parameters:

statement - an arbitrary piece of code.

Throws:

Exception - any exception thrown by the statement.