304     int  srcIndex  = 0;       // Code Point indexes of the block to operate on for  in TestCMR()  local
328                 case 1: srcIndex = 0; break;  in TestCMR()
329                 case 2: srcIndex = 1; break;  in TestCMR()
330                 case 3: srcIndex = cpCount - srcLength; break;  in TestCMR()
331                 case 4: srcIndex = cpCount - srcLength - 1; break;  in TestCMR()
332                 case 5: srcIndex = cpCount / 2; break;  in TestCMR()
334             if (srcIndex < 0 || srcIndex + srcLength > cpCount) {  in TestCMR()
348                     case 3: destIndex = srcIndex - 1; break;  in TestCMR()
349                     case 4: destIndex = srcIndex + srcLength + 1; break;  in TestCMR()
358                 nativeStart = nativeMap[srcIndex].nativeIdx;  in TestCMR()
359                 nativeLimit = nativeMap[srcIndex+srcLength].nativeIdx;  in TestCMR()
362                 u16Start    = u16Map[srcIndex].nativeIdx;  in TestCMR()
363                 u16Limit    = u16Map[srcIndex+srcLength].nativeIdx;  in TestCMR()