66 lines · cpp
1// RUN: %check_clang_tidy %s bugprone-branch-clone %t -- -- -std=c++172 3void handle(int);4 5void testSwitchFallthroughAttribute(int value) {6 switch(value) {7 case 1: [[fallthrough]];8 case 2: [[fallthrough]];9 case 3:10 handle(value);11 break;12 default:13 break;14 }15}16 17void testSwitchFallthroughAttributeAndBraces(int value) {18 switch(value) {19 case 1: { [[fallthrough]]; }20 case 2: { [[fallthrough]]; }21 case 3: {22 handle(value);23 break;24 }25 default: {26 break;27 }28 }29}30 31void testSwitchWithFallthroughAttributeAndCode(int value) {32 switch(value) {33 case 1: value += 1; [[fallthrough]];34 case 2: value += 1; [[fallthrough]];35 case 3:36 handle(value);37 break;38 default:39 break;40 }41}42 43void testSwitchWithFallthroughAndCode(int value) {44 switch(value) {45 // CHECK-MESSAGES: :[[@LINE+1]]:5: warning: switch has 2 consecutive identical branches [bugprone-branch-clone]46 case 1: value += 1;47 case 2: value += 1;48 // CHECK-MESSAGES: :[[@LINE-1]]:23: note: last of these clones ends here49 case 3:50 handle(value);51 break;52 default:53 break;54 }55}56 57void testSwitchFallthroughAttributeIntoDefault(int value) {58 switch(value) {59 case 1: [[fallthrough]];60 case 2: [[fallthrough]];61 default:62 handle(value);63 break;64 }65}66