public function testCompareSequences() { $seq1 = new Sequence('foo', 1, 1); $seq2 = new Sequence('foo', 1, 2); $seq3 = new Sequence('foo', 2, 1); $c = new Comparator(); $this->assertTrue($c->diffSequence($seq1, $seq2)); $this->assertTrue($c->diffSequence($seq1, $seq3)); }