forked from OSchip/llvm-project
302 lines
14 KiB
C++
302 lines
14 KiB
C++
// RUN: %check_clang_tidy %s readability-function-size %t -- -config='{CheckOptions: [{key: readability-function-size.LineThreshold, value: 0}, {key: readability-function-size.StatementThreshold, value: 0}, {key: readability-function-size.BranchThreshold, value: 0}, {key: readability-function-size.ParameterThreshold, value: 5}, {key: readability-function-size.NestingThreshold, value: 2}, {key: readability-function-size.VariableThreshold, value: 1}]}' -- -std=c++11
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// Bad formatting is intentional, don't run clang-format over the whole file!
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void foo1() {
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}
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void foo2() {;}
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// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: function 'foo2' exceeds recommended size/complexity thresholds [readability-function-size]
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// CHECK-MESSAGES: :[[@LINE-2]]:6: note: 1 statements (threshold 0)
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void foo3() {
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;
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}
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// CHECK-MESSAGES: :[[@LINE-4]]:6: warning: function 'foo3' exceeds recommended size/complexity
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// CHECK-MESSAGES: :[[@LINE-5]]:6: note: 3 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-6]]:6: note: 1 statements (threshold 0)
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void foo4(int i) { if (i) {} else; {}
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}
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// CHECK-MESSAGES: :[[@LINE-2]]:6: warning: function 'foo4' exceeds recommended size/complexity
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// CHECK-MESSAGES: :[[@LINE-3]]:6: note: 1 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-4]]:6: note: 3 statements (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-5]]:6: note: 1 branches (threshold 0)
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void foo5(int i) {for(;i;)while(i)
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do;while(i);
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}
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// CHECK-MESSAGES: :[[@LINE-3]]:6: warning: function 'foo5' exceeds recommended size/complexity
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// CHECK-MESSAGES: :[[@LINE-4]]:6: note: 2 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-5]]:6: note: 7 statements (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-6]]:6: note: 3 branches (threshold 0)
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template <typename T> T foo6(T i) {return i;
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}
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int x = foo6(0);
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// CHECK-MESSAGES: :[[@LINE-3]]:25: warning: function 'foo6' exceeds recommended size/complexity
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// CHECK-MESSAGES: :[[@LINE-4]]:25: note: 1 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-5]]:25: note: 1 statements (threshold 0)
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void foo7(int p1, int p2, int p3, int p4, int p5, int p6) {;}
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// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: function 'foo7' exceeds recommended size/complexity
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// CHECK-MESSAGES: :[[@LINE-2]]:6: note: 1 statements (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-3]]:6: note: 6 parameters (threshold 5)
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void bar1() { [](){;;;;;;;;;;;if(1){}}();
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}
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// CHECK-MESSAGES: :[[@LINE-4]]:6: warning: function 'bar1' exceeds recommended size/complexity
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// CHECK-MESSAGES: :[[@LINE-5]]:6: note: 3 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-6]]:6: note: 14 statements (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-7]]:6: note: 1 branches (threshold 0)
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void bar2() { class A { void barx() {;;} }; }
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// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: function 'bar2' exceeds recommended size/complexity
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// CHECK-MESSAGES: :[[@LINE-2]]:6: note: 3 statements (threshold 0)
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//
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// CHECK-MESSAGES: :[[@LINE-4]]:30: warning: function 'barx' exceeds recommended size/complexity
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// CHECK-MESSAGES: :[[@LINE-5]]:30: note: 2 statements (threshold 0)
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#define macro() {int x; {int y; {int z;}}}
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void baz0() { // 1
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// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: function 'baz0' exceeds recommended size/complexity
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// CHECK-MESSAGES: :[[@LINE-2]]:6: note: 28 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-3]]:6: note: 9 statements (threshold 0)
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int a;
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{ // 2
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int b;
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{ // 3
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// CHECK-MESSAGES: :[[@LINE-1]]:5: note: nesting level 3 starts here (threshold 2)
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int c;
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{ // 4
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int d;
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}
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}
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}
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{ // 2
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int e;
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}
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{ // 2
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{ // 3
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// CHECK-MESSAGES: :[[@LINE-1]]:5: note: nesting level 3 starts here (threshold 2)
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int j;
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}
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}
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macro()
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// CHECK-MESSAGES: :[[@LINE-1]]:3: note: nesting level 3 starts here (threshold 2)
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// CHECK-MESSAGES: :[[@LINE-28]]:25: note: expanded from macro 'macro'
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// CHECK-MESSAGES: :[[@LINE-27]]:6: note: 9 variables (threshold 1)
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}
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// check that nested if's are not reported. this was broken initially
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void nesting_if() { // 1
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// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: function 'nesting_if' exceeds recommended size/complexity
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// CHECK-MESSAGES: :[[@LINE-2]]:6: note: 23 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-3]]:6: note: 18 statements (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-4]]:6: note: 6 branches (threshold 0)
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if (true) { // 2
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int j;
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} else if (true) { // 2
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int j;
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if (true) { // 3
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// CHECK-MESSAGES: :[[@LINE-1]]:16: note: nesting level 3 starts here (threshold 2)
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int j;
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}
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} else if (true) { // 2
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int j;
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if (true) { // 3
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// CHECK-MESSAGES: :[[@LINE-1]]:16: note: nesting level 3 starts here (threshold 2)
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int j;
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}
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} else if (true) { // 2
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int j;
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}
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// CHECK-MESSAGES: :[[@LINE-22]]:6: note: 6 variables (threshold 1)
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}
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// however this should warn
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void bad_if_nesting() { // 1
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// CHECK-MESSAGES: :[[@LINE-1]]:6: warning: function 'bad_if_nesting' exceeds recommended size/complexity
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// CHECK-MESSAGES: :[[@LINE-2]]:6: note: 23 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-3]]:6: note: 12 statements (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-4]]:6: note: 4 branches (threshold 0)
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if (true) { // 2
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int j;
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} else { // 2
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if (true) { // 3
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// CHECK-MESSAGES: :[[@LINE-1]]:15: note: nesting level 3 starts here (threshold 2)
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int j;
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} else { // 3
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// CHECK-MESSAGES: :[[@LINE-1]]:12: note: nesting level 3 starts here (threshold 2)
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if (true) { // 4
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int j;
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} else { // 4
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if (true) { // 5
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int j;
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}
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}
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}
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}
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// CHECK-MESSAGES: :[[@LINE-22]]:6: note: 4 variables (threshold 1)
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}
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void variables_0() {
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int i;
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}
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// CHECK-MESSAGES: :[[@LINE-3]]:6: warning: function 'variables_0' exceeds recommended size/complexity thresholds [readability-function-size]
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// CHECK-MESSAGES: :[[@LINE-4]]:6: note: 2 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-5]]:6: note: 1 statements (threshold 0)
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void variables_1(int i) {
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int j;
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}
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// CHECK-MESSAGES: :[[@LINE-3]]:6: warning: function 'variables_1' exceeds recommended size/complexity thresholds [readability-function-size]
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// CHECK-MESSAGES: :[[@LINE-4]]:6: note: 2 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-5]]:6: note: 1 statements (threshold 0)
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void variables_2(int i, int j) {
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;
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}
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// CHECK-MESSAGES: :[[@LINE-3]]:6: warning: function 'variables_2' exceeds recommended size/complexity thresholds [readability-function-size]
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// CHECK-MESSAGES: :[[@LINE-4]]:6: note: 2 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-5]]:6: note: 1 statements (threshold 0)
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void variables_3() {
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int i[2];
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}
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// CHECK-MESSAGES: :[[@LINE-3]]:6: warning: function 'variables_3' exceeds recommended size/complexity thresholds [readability-function-size]
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// CHECK-MESSAGES: :[[@LINE-4]]:6: note: 2 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-5]]:6: note: 1 statements (threshold 0)
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void variables_4() {
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int i;
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int j;
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}
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// CHECK-MESSAGES: :[[@LINE-4]]:6: warning: function 'variables_4' exceeds recommended size/complexity thresholds [readability-function-size]
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// CHECK-MESSAGES: :[[@LINE-5]]:6: note: 3 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-6]]:6: note: 2 statements (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-7]]:6: note: 2 variables (threshold 1)
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void variables_5() {
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int i, j;
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}
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// CHECK-MESSAGES: :[[@LINE-3]]:6: warning: function 'variables_5' exceeds recommended size/complexity thresholds [readability-function-size]
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// CHECK-MESSAGES: :[[@LINE-4]]:6: note: 2 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-5]]:6: note: 1 statements (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-6]]:6: note: 2 variables (threshold 1)
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void variables_6() {
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for (int i;;)
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for (int j;;)
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;
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}
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// CHECK-MESSAGES: :[[@LINE-5]]:6: warning: function 'variables_6' exceeds recommended size/complexity thresholds [readability-function-size]
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// CHECK-MESSAGES: :[[@LINE-6]]:6: note: 4 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-7]]:6: note: 5 statements (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-8]]:6: note: 2 branches (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-9]]:6: note: 2 variables (threshold 1)
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void variables_7() {
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if (int a = 1)
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if (int b = 2)
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;
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}
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// CHECK-MESSAGES: :[[@LINE-5]]:6: warning: function 'variables_7' exceeds recommended size/complexity thresholds [readability-function-size]
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// CHECK-MESSAGES: :[[@LINE-6]]:6: note: 4 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-7]]:6: note: 7 statements (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-8]]:6: note: 2 branches (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-9]]:6: note: 2 variables (threshold 1)
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void variables_8() {
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int a[2];
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for (auto i : a)
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for (auto j : a)
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;
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}
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// CHECK-MESSAGES: :[[@LINE-6]]:6: warning: function 'variables_8' exceeds recommended size/complexity thresholds [readability-function-size]
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// CHECK-MESSAGES: :[[@LINE-7]]:6: note: 5 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-8]]:6: note: 8 statements (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-9]]:6: note: 2 branches (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-10]]:6: note: 3 variables (threshold 1)
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void variables_9() {
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int a, b;
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struct A {
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A(int c, int d) {
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int e, f;
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}
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};
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}
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// CHECK-MESSAGES: :[[@LINE-8]]:6: warning: function 'variables_9' exceeds recommended size/complexity thresholds [readability-function-size]
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// CHECK-MESSAGES: :[[@LINE-9]]:6: note: 7 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-10]]:6: note: 3 statements (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-11]]:6: note: 2 variables (threshold 1)
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// CHECK-MESSAGES: :[[@LINE-9]]:5: warning: function 'A' exceeds recommended size/complexity thresholds [readability-function-size]
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// CHECK-MESSAGES: :[[@LINE-10]]:5: note: 2 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-11]]:5: note: 1 statements (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-12]]:5: note: 2 variables (threshold 1)
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void variables_10() {
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int a, b;
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struct A {
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int c;
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int d;
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};
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}
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// CHECK-MESSAGES: :[[@LINE-7]]:6: warning: function 'variables_10' exceeds recommended size/complexity thresholds [readability-function-size]
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// CHECK-MESSAGES: :[[@LINE-8]]:6: note: 6 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-9]]:6: note: 2 statements (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-10]]:6: note: 2 variables (threshold 1)
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void variables_11() {
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struct S {
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void bar() {
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int a, b;
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}
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};
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}
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// CHECK-MESSAGES: :[[@LINE-7]]:6: warning: function 'variables_11' exceeds recommended size/complexity thresholds [readability-function-size]
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// CHECK-MESSAGES: :[[@LINE-8]]:6: note: 6 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-7]]:10: warning: function 'bar' exceeds recommended size/complexity thresholds [readability-function-size]
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// CHECK-MESSAGES: :[[@LINE-8]]:10: note: 2 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-9]]:10: note: 2 variables (threshold 1)
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void variables_12() {
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int v;
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auto test = [](int a, int b) -> void {};
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test({}, {});
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}
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// CHECK-MESSAGES: :[[@LINE-5]]:6: warning: function 'variables_12' exceeds recommended size/complexity thresholds [readability-function-size]
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// CHECK-MESSAGES: :[[@LINE-6]]:6: note: 4 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-7]]:6: note: 3 statements (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-8]]:6: note: 2 variables (threshold 1)
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void variables_13() {
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int v;
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auto test = []() -> void {
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int a;
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int b;
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};
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test();
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}
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// CHECK-MESSAGES: :[[@LINE-8]]:6: warning: function 'variables_13' exceeds recommended size/complexity thresholds [readability-function-size]
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// CHECK-MESSAGES: :[[@LINE-9]]:6: note: 7 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-10]]:6: note: 5 statements (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-11]]:6: note: 2 variables (threshold 1)
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void variables_14() {
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(void)({int a = 12; a; });
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(void)({int a = 12; a; });
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}
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// CHECK-MESSAGES: :[[@LINE-4]]:6: warning: function 'variables_14' exceeds recommended size/complexity thresholds [readability-function-size]
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// CHECK-MESSAGES: :[[@LINE-5]]:6: note: 3 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-6]]:6: note: 6 statements (threshold 0)
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#define SWAP(x, y) ({__typeof__(x) temp = x; x = y; y = temp; })
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void variables_15() {
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int a = 10, b = 12;
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SWAP(a, b);
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}
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// CHECK-MESSAGES: :[[@LINE-4]]:6: warning: function 'variables_15' exceeds recommended size/complexity thresholds [readability-function-size]
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// CHECK-MESSAGES: :[[@LINE-5]]:6: note: 3 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-6]]:6: note: 5 statements (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-7]]:6: note: 2 variables (threshold 1)
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#define vardecl(type, name) type name;
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void variables_16() {
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vardecl(int, a);
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vardecl(int, b);
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}
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// CHECK-MESSAGES: :[[@LINE-4]]:6: warning: function 'variables_16' exceeds recommended size/complexity thresholds [readability-function-size]
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// CHECK-MESSAGES: :[[@LINE-5]]:6: note: 3 lines including whitespace and comments (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-6]]:6: note: 4 statements (threshold 0)
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// CHECK-MESSAGES: :[[@LINE-7]]:6: note: 2 variables (threshold 1)
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