1 files changed, 72 insertions, 0 deletions
diff --git a/tests/phpunit/includes/FallbackTest.php b/tests/phpunit/includes/FallbackTest.php
new file mode 100644
index 00000000..c60170f3
--- /dev/null
+++ b/tests/phpunit/includes/FallbackTest.php
@@ -0,0 +1,72 @@
+<?php
+
+/**
+ * @covers Fallback
+ */
+class FallbackTest extends MediaWikiTestCase {
+	public function testFallbackMbstringFunctions() {
+		if ( !extension_loaded( 'mbstring' ) ) {
+			$this->markTestSkipped(
+				"The mb_string functions must be installed to test the fallback functions"
+			);
+		}
+
+		$sampleUTF = "Östergötland_coat_of_arms.png";
+
+		//mb_substr
+		$substr_params = array(
+			array( 0, 0 ),
+			array( 5, -4 ),
+			array( 33 ),
+			array( 100, -5 ),
+			array( -8, 10 ),
+			array( 1, 1 ),
+			array( 2, -1 )
+		);
+
+		foreach ( $substr_params as $param_set ) {
+			$old_param_set = $param_set;
+			array_unshift( $param_set, $sampleUTF );
+
+			$this->assertEquals(
+				call_user_func_array( 'mb_substr', $param_set ),
+				call_user_func_array( 'Fallback::mb_substr', $param_set ),
+				'Fallback mb_substr with params ' . implode( ', ', $old_param_set )
+			);
+		}
+
+		//mb_strlen
+		$this->assertEquals(
+			mb_strlen( $sampleUTF ),
+			Fallback::mb_strlen( $sampleUTF ),
+			'Fallback mb_strlen'
+		);
+
+		//mb_str(r?)pos
+		$strpos_params = array(
+			//array( 'ter' ),
+			//array( 'Ö' ),
+			//array( 'Ö', 3 ),
+			//array( 'oat_', 100 ),
+			//array( 'c', -10 ),
+			//Broken for now
+		);
+
+		foreach ( $strpos_params as $param_set ) {
+			$old_param_set = $param_set;
+			array_unshift( $param_set, $sampleUTF );
+
+			$this->assertEquals(
+				call_user_func_array( 'mb_strpos', $param_set ),
+				call_user_func_array( 'Fallback::mb_strpos', $param_set ),
+				'Fallback mb_strpos with params ' . implode( ', ', $old_param_set )
+			);
+
+			$this->assertEquals(
+				call_user_func_array( 'mb_strrpos', $param_set ),
+				call_user_func_array( 'Fallback::mb_strrpos', $param_set ),
+				'Fallback mb_strrpos with params ' . implode( ', ', $old_param_set )
+			);
+		}
+	}
+}