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llvm-project/clang-tools-extra/test/clang-tidy/readability-simplify-bool-e...

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Switch check_clang_tidy to argparse and add a -resource-dir argument. -resource-dir can be used to inject non-standard resource dirs via the lit site config. llvm-svn: 251021
2015-10-22 22:54:50 +08:00
// RUN: %check_clang_tidy %s readability-simplify-boolean-expr %t -- -config="{CheckOptions: [{key: "readability-simplify-boolean-expr.ChainedConditionalAssignment", value: 1}]}" --
[clang-tidy] Enhance clang-tidy readability-simplify-boolean-expr check... Enhance clang-tidy readability-simplify-boolean-expr check to handle chained conditional assignment and chained conditional return. Based on feedback from applying this tool to the clang/LLVM codebase, this changeset improves the readability-simplify-boolean-expr check so that conditional assignment or return statements at the end of a chain of if/else if statements are left unchanged unless a configuration option is supplied. http://reviews.llvm.org/D8996 Patch by Richard Thomson! llvm-svn: 237541
2015-05-17 20:31:12 +08:00
void chained_conditional_compound_assignment(int i) {
bool b;
if (i < 0) {
b = true;
} else if (i < 10) {
b = false;
} else if (i > 20) {
b = true;
} else {
b = false;
}
// CHECK-MESSAGES: :[[@LINE-4]]:9: warning: redundant boolean literal in conditional assignment [readability-simplify-boolean-expr]
// CHECK-FIXES: {{^}} } else if (i < 10) {{{$}}
// CHECK-FIXES-NEXT: {{^}} b = false;{{$}}
// CHECK-FIXES-NEXT: {{^}} } else b = i > 20;{{$}}
}
void chained_conditional_assignment(int i) {
bool b;
if (i < 0)
b = true;
else if (i < 10)
b = false;
else if (i > 20)
b = true;
else
b = false;
// CHECK-MESSAGES: :[[@LINE-3]]:9: warning: {{.*}} in conditional assignment
// CHECK-FIXES: {{^}} else if (i < 10)
// CHECK-FIXES-NEXT: {{^}} b = false;
// CHECK-FIXES-NEXT: {{^}} else b = i > 20;
}