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// RUN: %check_clang_tidy %s bugprone-branch-clone %t -- -- -std=c++17
void handle(int);
void testSwitchFallthroughAttribute(int value) {
switch(value) {
case 1: [[fallthrough]];
case 2: [[fallthrough]];
case 3:
handle(value);
break;
default:
break;
}
}
void testSwitchFallthroughAttributeAndBraces(int value) {
switch(value) {
case 1: { [[fallthrough]]; }
case 2: { [[fallthrough]]; }
case 3: {
handle(value);
break;
}
default: {
break;
}
}
}
void testSwitchWithFallthroughAttributeAndCode(int value) {
switch(value) {
case 1: value += 1; [[fallthrough]];
case 2: value += 1; [[fallthrough]];
case 3:
handle(value);
break;
default:
break;
}
}
void testSwitchWithFallthroughAndCode(int value) {
switch(value) {
// CHECK-MESSAGES: :[[@LINE+1]]:5: warning: switch has 2 consecutive identical branches [bugprone-branch-clone]
case 1: value += 1;
case 2: value += 1;
// CHECK-MESSAGES: :[[@LINE-1]]:23: note: last of these clones ends here
case 3:
handle(value);
break;
default:
break;
}
}
void testSwitchFallthroughAttributeIntoDefault(int value) {
switch(value) {
case 1: [[fallthrough]];
case 2: [[fallthrough]];
default:
handle(value);
break;
}
}
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