usp10: Add Arabic shaping test.

dlls/usp10/tests/usp10.c

@@ -551,6 +551,14 @@ static void test_ScriptShapeOpenType(HDC hdc)
                             {1,{{SCRIPT_JUSTIFY_CHARACTER,1,0,0,0,0},0}},
                             {1,{{SCRIPT_JUSTIFY_CHARACTER,1,0,0,0,0},0}} };
 
+    /* Arabic */
+    static const WCHAR test_arabic[] = {0x0633,0x0644,0x0627,0x0645,0};
+    static const shapeTest_char arabic_c[] = {{2,{0,0}},{1,{0,0}},{1,{0,0}},{0,{0,0}}};
+    static const shapeTest_glyph arabic_g[] = {
+                            {1,{{SCRIPT_JUSTIFY_NONE,1,0,0,0,0},0}},
+                            {1,{{SCRIPT_JUSTIFY_ARABIC_NORMAL,1,0,0,0,0},0}},
+                            {1,{{SCRIPT_JUSTIFY_ARABIC_SEEN,1,0,0,0,0},0}} };
+
     if (!pScriptItemizeOpenType || !pScriptShapeOpenType)
     {
         win_skip("ScriptShapeOpenType not available on this platform\n");
@@ -583,6 +591,7 @@ static void test_ScriptShapeOpenType(HDC hdc)
 
     test_shape_ok(hdc, test1, 4, &Control, &State, 0, 4, t1_c, t1_g);
     test_shape_ok(hdc, test2, 4, &Control, &State, 1, 4, t2_c, t2_g);
+
     test_valid = find_font_for_range(hdc, "Microsoft Sans Serif", 11, test_hebrew[0], &hfont, &hfont_orig);
     if (hfont != NULL)
     {
@@ -590,6 +599,14 @@ static void test_ScriptShapeOpenType(HDC hdc)
         SelectObject(hdc, hfont_orig);
         DeleteObject(hfont);
     }
+
+    test_valid = find_font_for_range(hdc, "Microsoft Sans Serif", 13, test_arabic[0], &hfont, &hfont_orig);
+    if (hfont != NULL)
+    {
+        test_shape_ok_valid(test_valid, hdc, test_arabic, 4, &Control, &State, 0, 3, arabic_c, arabic_g);
+        SelectObject(hdc, hfont_orig);
+        DeleteObject(hfont);
+    }
 }
 
 static void test_ScriptShape(HDC hdc)