function testDistanceSearch()
{
$testSpine = new WMSpine();
$testSpine->addPoint(new WMPoint(50, 50));
$testSpine->addPoint(new WMPoint(150, 50));
$testSpine->addPoint(new WMPoint(150, 150));
$this->assertEquals(200, $testSpine->totalDistance());
$this->assertEquals(3, $testSpine->pointCount());
$index = $testSpine->findIndexNearDistance(110);
$this->assertEquals(1, $index);
$index = $testSpine->findIndexNearDistance(90);
$this->assertEquals(0, $index);
$testSpine->addPoint(new WMPoint(0, 150));
$testSpine->addPoint(new WMPoint(0, 0));
$this->assertEquals(500, $testSpine->totalDistance());
$index = $testSpine->findIndexNearDistance(250);
$this->assertEquals(2, $index);
$index = $testSpine->findIndexNearDistance(600);
$this->assertEquals(4, $index);
$index = $testSpine->findIndexNearDistance(100);
$this->assertEquals(1, $index);
$index = $testSpine->findIndexNearDistance(100);
$this->assertEquals(1, $index);
$index = $testSpine->findIndexNearDistance(-100);
$this->assertEquals(0, $index);
}
