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test.cpp
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struct S1 {
int m1;
int m2;
};
extern int f1(char *);
extern void f2(int);
void test_compliant() {
int l1 = 0;
[l1]() { return l1 + 1; }; // COMPLIANT
[](int i) { return i + 2; }; // COMPLIANT
[](short i) { return i + 2; }; // COMPLIANT
[](int i) { return i + f1("foo"); }; // COMPLIANT
[](int i) { return i + f1("bar"); }; // COMPLIANT
[](S1 *p) { p->m1++; }; // COMPLIANT
[](S1 *p) { p->m2++; }; // COMPLIANT
[](S1 *p) { // COMPLIANT
p->m1++;
return p;
};
[](S1 *q) { // COMPLIANT
q->m1++;
return q;
};
// Non-commutative operations with swapped arguments.
[](int i, int j) { return i / j; }; // COMPLIANT
[](int i, int j) { return j / i; }; // COMPLIANT
[](int i) { // COMPLIANT
if (i % 3 == 0) {
for (int j = 0; j < i; j++) {
f2(j);
}
}
};
[](int i) { // COMPLIANT
if (i % 3 == 0) {
for (int j = 0; j <= i; j++) {
f2(j);
}
}
};
}
void test_noncompliant() {
[](int i) { return i + 1; }; // NON_COMPLIANT
[](int i) { return i + 1; }; // NON_COMPLIANT
[](int i) { return i + f1("baz"); }; // NON_COMPLIANT
[](int i) { return i + f1("baz"); }; // NON_COMPLIANT
[](S1 *r) { // NON_COMPLIANT
r->m1++;
return r;
};
[](S1 *r) { // NON_COMPLIANT
r->m1++;
return r;
};
[](int i) { // NON_COMPLIANT
if (i % 2 == 0) {
for (int j = 0; j < i; j++) {
f2(j);
}
}
};
[](int i) { // NON_COMPLIANT
if (i % 2 == 0) {
for (int j = 0; j < i; j++) {
f2(j);
}
}
};
}
#include <string>
class Test_issue468 {
public:
template <typename... As> static void LogInfo(const As &...rest) {
[](const std::string &s) -> void { LogInfo(s); }; // COMPLIANT
}
template <typename... As> static void LogWarn(const As &...rest) {
[](const std::string &s) -> void { LogWarn(s); }; // COMPLIANT
}
template <typename... As> static void LogError(const As &...rest) {
[](const std::string &s) -> void { LogError(s); }; // NON_COMPLIANT
}
template <typename... As> static void LogFatal(const As &...rest) {
[](const std::string &s) -> void { LogError(s); }; // NON_COMPLIANT
}
void instantiate() {
LogInfo("Info");
LogWarn("Warn");
LogError("Error");
LogFatal("Fatal");
}
};
#define MACRO() [](int i) -> int { return i + 3; }
void test_macros() {
MACRO(); // COMPLIANT
MACRO(); // COMPLIANT - no duplication
}