DiffMatchPatch\DiffMatchPatchTest::testDiffCleanupEfficiency PHP Method

    public function testDiffCleanupEfficiency()
    {
        $diffs = array(array(DiffMatchPatch::DIFF_DELETE, "ab"), array(DiffMatchPatch::DIFF_INSERT, "12"), array(DiffMatchPatch::DIFF_EQUAL, "xyz"), array(DiffMatchPatch::DIFF_DELETE, "cd"), array(DiffMatchPatch::DIFF_INSERT, "34"));
        $this->dmp->diff_cleanupEfficiency($diffs);
        $this->assertEquals(array(array(DiffMatchPatch::DIFF_DELETE, "abxyzcd"), array(DiffMatchPatch::DIFF_INSERT, "12xyz34")), $diffs);
    }