PhutilRopeTestCase.php
b4f38af38480production

PhutilRopeTestCase.php
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			<?php

			final class PhutilRopeTestCase extends PhutilTestCase {

			public function testRopeOperations() {
			$rope = new PhutilRope();
			$rope->append('aaa');
			$rope->append('bbb');

			$this->assertEqual(6, $rope->getByteLength());
			$this->assertEqual('aaabbb', $rope->getAsString());

			$rope->removeBytesFromHead(2);

			$this->assertEqual(4, $rope->getByteLength());
			$this->assertEqual('abbb', $rope->getAsString());

			$rope->removeBytesFromHead(4);

			$this->assertEqual(0, $rope->getByteLength());
			$this->assertEqual('', $rope->getAsString());
			}

			public function testMoreRopeOperations() {
			$rope = new PhutilRope();
			$rope->append('aaa');
			$rope->append('bbb');
			$rope->append('ccc');
			$rope->append('rrrrddddddddd');
			$rope->removeBytesFromHead(4);

			$string = $rope->getAsString();
			$this->assertEqual('bbcccrrrrddddddddd', $string);
			$this->assertEqual(strlen($string), $rope->getByteLength());

			$rope = new PhutilRope();
			$rope->append('aaa');
			$rope->append('bbb');
			$rope->removeBytesFromHead(6);

			$string = $rope->getAsString();
			$this->assertEqual('', $string);
			$this->assertEqual(0, $rope->getByteLength());


			$rope = new PhutilRope();
			$rope->append('a');
			$rope->append('b');
			$rope->append('c');
			$rope->removeBytesFromHead(1024);

			$string = $rope->getAsString();
			$this->assertEqual('', $string);
			$this->assertEqual(0, $rope->getByteLength());
			}
			}