DiffMatchPatch\MatchTest::testMain PHP Method

    public function testMain()
    {
        // Full match.
        // Shortcut matches.
        $this->assertEquals(0, $this->m->main("abcdef", "abcdef", 1000));
        $this->assertEquals(-1, $this->m->main("", "abcdef", 1));
        $this->assertEquals(3, $this->m->main("abcdef", "", 3));
        $this->assertEquals(3, $this->m->main("abcdef", "de", 3));
        $this->assertEquals(3, $this->m->main("abcdef", "defy", 4));
        $this->assertEquals(0, $this->m->main("abcdef", "abcdefy", 0));
        // Complex match.
        $this->m->setThreshold(0.7);
        $this->assertEquals(4, $this->m->main("I am the very model of a modern major general.", " that berry ", 5));
        $this->m->setThreshold(0.5);
        // Test null inputs.
        try {
            $this->m->main(null, null, 0);
            $this->fail();
        } catch (\InvalidArgumentException $e) {
        }
    }