PHUIInvisibleCharacterTestCase.php
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	<?php

	final class PHUIInvisibleCharacterTestCase extends PhabricatorTestCase {

	public function testEmptyString() {
	$view = new PHUIInvisibleCharacterView('');
	$res = $view->render();
	$this->assertEqual($res, array());
	}

	public function testEmptyPlainText() {
	$view = (new PHUIInvisibleCharacterView(''))
	->setPlainText(true);
	$res = $view->render();
	$this->assertEqual($res, '');
	}

	public function testWithNamedChars() {
	$test_input = "\x00\n\t ";
	$view = (new PHUIInvisibleCharacterView($test_input))
	->setPlainText(true);
	$res = $view->render();
	$this->assertEqual($res, '<NULL><NEWLINE><TAB><SPACE>');
	}

	public function testWithHexChars() {
	$test_input = "abc\x01";
	$view = (new PHUIInvisibleCharacterView($test_input))
	->setPlainText(true);
	$res = $view->render();
	$this->assertEqual($res, 'abc<0x01>');
	}

	public function testWithNamedAsHex() {
	$test_input = "\x00\x0a\x09\x20";
	$view = (new PHUIInvisibleCharacterView($test_input))
	->setPlainText(true);
	$res = $view->render();
	$this->assertEqual($res, '<NULL><NEWLINE><TAB><SPACE>');
	}

	public function testHtmlDecoration() {
	$test_input = "a\x00\n\t ";
	$view = new PHUIInvisibleCharacterView($test_input);
	$res = $view->render();
	$this->assertFalse($res[0] instanceof PhutilSafeHTML);
	$this->assertTrue($res[1] instanceof PhutilSafeHTML);
	$this->assertTrue($res[2] instanceof PhutilSafeHTML);
	$this->assertTrue($res[3] instanceof PhutilSafeHTML);
	$this->assertTrue($res[4] instanceof PhutilSafeHTML);
	}
	}