gistfile1.php

<?php

class Thrower {

	public function test($shouldThrow) {
		if ($shouldThrow) {
			throw new Exception();
		}
	}
}

class Test {

	private $thrower; 

	public function __construct(Thrower $thrower) {
		$this->thrower = $thrower;
	}

	public function testCatchingException() {
		try {
			$this->thrower->test(true);
		} catch (Exception $exception) {
			return true;
		}
		return false;
	}

}

class ThrowException extends \PHPUnit_Framework_TestCase {

	public function testCatchingException() {
		$thrower = $this->getMock('Thrower');
		$thrower->expects($this->once())
			->method('test')
			->with($this->equalTo(true))
			->will($this->throwException(new Exception()));
		$test = new Test($thrower);
		$this->assertTrue($test->testCatchingException());
	}

	public function testCatchingExceptionWithMap() {
		$thrower = $this->getMock('Thrower');
		$map = array(
			array(true, $this->throwException(new Exception())),
		);
		$thrower->expects($this->once())
			->method('test')
			->will($this->returnValueMap($map));
		$test = new Test($thrower);
		$this->assertTrue($test->testCatchingException());
	}

}