Ticket #24661: 24661.0.tests.rev1301.patch

tests/formatting/RemoveAccents.php

@@ -94 +94 @@
 
                 remove_filter( 'locale', array( $this, '_remove_accents_germanic_umlauts_cb' ) );
         }
+
+        /**
+         * @ticket 24661
+         */
+        public function test_remove_accents_combining_marks() {
+                // Creates a string with all the combining marks.
+                $code_points = array_merge(
+                        range( 0x0300, 0x036F ), // Combining Diacritical Marks
+                        range( 0x1DC0, 0x1DFF ), // Combining Diacritical Marks Supplement
+                        range( 0x20D0, 0x20FF ), // Combining Diacritical Marks for Symbols
+                        range( 0xFE20, 0xFE2F )  // Combining Half Marks
+                );
+                $combining_marks = '';
+                foreach ( $code_points as $code_point )
+                        if ( $code_point <= 0x07ff )
+                                $combining_marks .= chr( 0xc0 | ( $code_point >> 6 ) ) . chr( 0x80 | ( $code_point & 0x003f ) );
+                        else
+                                $combining_marks .= chr( 0xe0 | ( $code_point >> 12 ) ) . chr( 0x80 | ( ( $code_point >> 6 ) & 0x003f ) ) . chr( 0x80 | ( $code_point & 0x003f ) );
+                // Performs the test: all the characters should be removed.
+                $this->assertEquals( '', remove_accents( $combining_marks ) );
+        }
+
 }