1 files changed, 118 insertions, 0 deletions
diff --git a/tests/phpunit/includes/libs/IEUrlExtensionTest.php b/tests/phpunit/includes/libs/IEUrlExtensionTest.php
new file mode 100644
index 00000000..c6270e90
--- /dev/null
+++ b/tests/phpunit/includes/libs/IEUrlExtensionTest.php
@@ -0,0 +1,118 @@
+<?php
+
+/**
+ * Tests for IEUrlExtension::findIE6Extension
+ */
+class IEUrlExtensionTest extends MediaWikiTestCase {
+	function testSimple() {
+		$this->assertEquals( 
+			'y',
+			IEUrlExtension::findIE6Extension( 'x.y' ),
+			'Simple extension'
+		);
+	}
+
+	function testSimpleNoExt() {
+		$this->assertEquals(
+			'',
+			IEUrlExtension::findIE6Extension( 'x' ),
+			'No extension'
+		);
+	}
+
+	function testEmpty() {
+		$this->assertEquals(
+			'',
+			IEUrlExtension::findIE6Extension( '' ),
+			'Empty string'
+		);
+	}
+
+	function testQuestionMark() {
+		$this->assertEquals(
+			'',
+			IEUrlExtension::findIE6Extension( '?' ),
+			'Question mark only'
+		);
+	}
+
+	function testExtQuestionMark() {
+		$this->assertEquals(
+			'x',
+			IEUrlExtension::findIE6Extension( '.x?' ),
+			'Extension then question mark'
+		);
+	}
+
+	function testQuestionMarkExt() {
+		$this->assertEquals(
+			'x',
+			IEUrlExtension::findIE6Extension( '?.x' ),
+			'Question mark then extension'
+		);
+	}
+
+	function testInvalidChar() {
+		$this->assertEquals(
+			'',
+			IEUrlExtension::findIE6Extension( '.x*' ),
+			'Extension with invalid character'
+		);
+	}
+
+	function testInvalidCharThenExtension() {
+		$this->assertEquals(
+			'x',
+			IEUrlExtension::findIE6Extension( '*.x' ),
+			'Invalid character followed by an extension'
+		);
+	}
+
+	function testMultipleQuestionMarks() {
+		$this->assertEquals(
+			'c',
+			IEUrlExtension::findIE6Extension( 'a?b?.c?.d?e?f' ),
+			'Multiple question marks'
+		);
+	}
+
+	function testExeException() {
+		$this->assertEquals(
+			'd',
+			IEUrlExtension::findIE6Extension( 'a?b?.exe?.d?.e' ),
+			'.exe exception'
+		);
+	}
+
+	function testExeException2() {
+		$this->assertEquals(
+			'exe',
+			IEUrlExtension::findIE6Extension( 'a?b?.exe' ),
+			'.exe exception 2'
+		);
+	}
+
+	function testHash() {
+		$this->assertEquals(
+			'',
+			IEUrlExtension::findIE6Extension( 'a#b.c' ),
+			'Hash character preceding extension'
+		);
+	}
+
+	function testHash2() {
+		$this->assertEquals(
+			'',
+			IEUrlExtension::findIE6Extension( 'a?#b.c' ),
+			'Hash character preceding extension 2'
+		);
+	}
+
+	function testDotAtEnd() {
+		$this->assertEquals(
+			'',
+			IEUrlExtension::findIE6Extension( '.' ),
+			'Dot at end of string'
+		);
+	}
+}