1// RUN: %check_clang_tidy %s cert-flp30-c %t
2
3float g(void);
4int c(float);
5float f = 1.0f;
6
7void match(void) {
8
9 for (float x = 0.1f; x <= 1.0f; x += 0.1f) {}
10 // CHECK-MESSAGES: :[[@LINE-1]]:35: warning: loop induction expression should not have floating-point type [cert-flp30-c]
11
12 for (; f > 0; --f) {}
13 // CHECK-MESSAGES: :[[@LINE-1]]:17: warning: loop induction expression should not have floating-point type [cert-flp30-c]
14
15 for (float x = 0.0f; c(x); x = g()) {}
16 // CHECK-MESSAGES: :[[@LINE-1]]:30: warning: loop induction expression should not have floating-point type [cert-flp30-c]
17
18 for (int i=0; i < 10 && f < 2.0f; f++, i++) {}
19 // CHECK-MESSAGES: :[[@LINE-1]]:37: warning: loop induction expression should not have floating-point type [cert-flp30-c]
20 // CHECK-MESSAGES: :5:1: note: floating-point type loop induction variable
21}
22
23void not_match(void) {
24 for (int i = 0; i < 10; i += 1.0f) {}
25 for (int i = 0; i < 10; ++i) {}
26 for (int i = 0; i < 10; ++i, f++) {}
27 for (int i = 0; f < 10.f; ++i) {}
28}
29

source code of clang-tools-extra/test/clang-tidy/checkers/cert/flp30-c.c