1 // Copyright 2025 The Pigweed Authors
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
4 // use this file except in compliance with the License. You may obtain a copy of
5 // the License at
6 //
7 // https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12 // License for the specific language governing permissions and limitations under
13 // the License.
14
15 #include "pw_toolchain/infinite_loop.h"
16
17 #include "pw_unit_test/framework.h"
18
19 extern "C" int pw_TestInfiniteLoopC(int loop_infinitely_if_0);
20
21 namespace {
22
TestInfiniteLoop(int loop_infinitely_if_0)23 int TestInfiniteLoop(int loop_infinitely_if_0) {
24 if (loop_infinitely_if_0 != 0) {
25 return loop_infinitely_if_0;
26 }
27 pw::InfiniteLoop(); // No return statement needed because of infinite loop.
28 }
29
TEST(InfiniteLoop,Compiles)30 TEST(InfiniteLoop, Compiles) {
31 EXPECT_EQ(TestInfiniteLoop(123), 123);
32
33 if (false) {
34 EXPECT_EQ(TestInfiniteLoop(0), 0); // Loops forever!
35 }
36 }
37
TEST(InfiniteLoop,CompilesInC)38 TEST(InfiniteLoop, CompilesInC) {
39 EXPECT_EQ(pw_TestInfiniteLoopC(123), 123);
40
41 if (false) {
42 EXPECT_EQ(pw_TestInfiniteLoopC(0), 0); // Loops forever!
43 }
44 }
45
46 } // namespace
47