abseil-duration-unnecessary-conversion.cpp
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// RUN: %check_clang_tidy -std=c++11-or-later %s abseil-duration-unnecessary-conversion %t -- -- -I %S/Inputs
#include "absl/time/time.h"
void f() {
absl::Duration d1, d2;
// Floating point
d2 = absl::Hours(absl::ToDoubleHours(d1));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Minutes(absl::ToDoubleMinutes(d1));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Seconds(absl::ToDoubleSeconds(d1));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Milliseconds(absl::ToDoubleMilliseconds(d1));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Microseconds(absl::ToDoubleMicroseconds(d1));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Nanoseconds(absl::ToDoubleNanoseconds(d1));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
// Integer point
d2 = absl::Hours(absl::ToInt64Hours(d1));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Minutes(absl::ToInt64Minutes(d1));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Seconds(absl::ToInt64Seconds(d1));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Milliseconds(absl::ToInt64Milliseconds(d1));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Microseconds(absl::ToInt64Microseconds(d1));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Nanoseconds(absl::ToInt64Nanoseconds(d1));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Hours(d1 / absl::Hours(1));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Minutes(d1 / absl::Minutes(1));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Seconds(d1 / absl::Seconds(1));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Milliseconds(d1 / absl::Milliseconds(1));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Microseconds(d1 / absl::Microseconds(1));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Nanoseconds(d1 / absl::Nanoseconds(1));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Hours(absl::FDivDuration(d1, absl::Hours(1)));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Minutes(absl::FDivDuration(d1, absl::Minutes(1)));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Seconds(absl::FDivDuration(d1, absl::Seconds(1)));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Milliseconds(absl::FDivDuration(d1, absl::Milliseconds(1)));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Microseconds(absl::FDivDuration(d1, absl::Microseconds(1)));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
d2 = absl::Nanoseconds(absl::FDivDuration(d1, absl::Nanoseconds(1)));
// CHECK-MESSAGES: [[@LINE-1]]:8: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: d2 = d1
// As macro argument
#define PLUS_FIVE_S(x) x + absl::Seconds(5)
d2 = PLUS_FIVE_S(absl::Seconds(absl::ToInt64Seconds(d1)));
// CHECK-MESSAGES: [[@LINE-1]]:20: warning: remove unnecessary absl::Duration conversions [abseil-duration-unnecessary-conversion]
// CHECK-FIXES: PLUS_FIVE_S(d1)
#undef PLUS_FIVE_S
// Split by macro: should not change
#define TOSECONDS(x) absl::Seconds(x)
d2 = TOSECONDS(absl::ToInt64Seconds(d1));
#undef TOSECONDS
// Don't change something inside a macro definition
#define VALUE(x) absl::Hours(absl::ToInt64Hours(x));
d2 = VALUE(d1);
#undef VALUE
// These should not match
d2 = absl::Seconds(absl::ToDoubleMilliseconds(d1));
d2 = absl::Seconds(4);
int i = absl::ToInt64Milliseconds(d1);
d2 = absl::Hours(d1 / absl::Minutes(1));
d2 = absl::Seconds(d1 / absl::Seconds(30));
d2 = absl::Hours(absl::FDivDuration(d1, absl::Minutes(1)));
d2 = absl::Milliseconds(absl::FDivDuration(d1, absl::Milliseconds(20)));
}