function RunStep($runner)
{
BenchmarkSuite::ResetRNG();
$this->results = array();
$this->runner = $runner;
$length = count($this->benchmarks);
$index = 0;
$suite = $this;
$data = null;
$RunNextSetup = null;
$RunNextBenchmark = null;
$RunNextTearDown = null;
// Run the setup, the actual benchmark, and the tear down in three
// separate steps to allow the framework to yield between any of the
// steps.
$RunNextSetup = function () use($suite, &$index, $length, &$RunNextBenchmark) {
if ($index < $length) {
try {
$setup = $suite->benchmarks[$index]->Setup;
$setup();
} catch (Exception $e) {
$suite->NotifyError($e);
return null;
}
return $RunNextBenchmark;
}
$suite->NotifyResult();
return null;
};
$RunNextBenchmark = function () use($suite, &$index, &$data, &$RunNextTearDown, &$RunNextBenchmark) {
try {
$data = $suite->RunSingleBenchmark($suite->benchmarks[$index], $data);
} catch (Exception $e) {
$suite->NotifyError($e);
return null;
}
// If data is null, we're done with this benchmark.
return is_null($data) ? $RunNextTearDown : $RunNextBenchmark();
};
$RunNextTearDown = function () use($suite, &$index, &$RunNextSetup) {
try {
$tearDown = $suite->benchmarks[$index++]->TearDown;
$tearDown();
} catch (Exception $e) {
$suite->NotifyError($e);
return null;
}
return $RunNextSetup;
};
// Start out running the setup.
return $RunNextSetup();
}
