bindings: cxx: tests: extend the test case for global find_line()

Split the test into sections and also test the case where the line
is not found.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>

diff --git a/bindings/cxx/tests/tests-line.cpp b/bindings/cxx/tests/tests-line.cpp
index 2684bcbbea606fea7dd91982174240a1d9f13a47..9b21b95eaa0dc802f183c036803a5fad9ea8be3d 100644 (file)
--- a/bindings/cxx/tests/tests-line.cpp
+++ b/bindings/cxx/tests/tests-line.cpp
@@ -22,10 +22,19 @@ TEST_CASE("Global find_line() function works", "[line]")
 {
        mockup::probe_guard mockup_chips({ 8, 8, 8, 8, 8 }, mockup::FLAG_NAMED_LINES);
 
-       auto line = ::gpiod::find_line("gpio-mockup-C-5");
-       REQUIRE(line.offset() == 5);
-       REQUIRE(line.name() == "gpio-mockup-C-5");
-       REQUIRE(line.get_chip().label() == "gpio-mockup-C");
+       SECTION("line found")
+       {
+               auto line = ::gpiod::find_line("gpio-mockup-C-5");
+               REQUIRE(line.offset() == 5);
+               REQUIRE(line.name() == "gpio-mockup-C-5");
+               REQUIRE(line.get_chip().label() == "gpio-mockup-C");
+       }
+
+       SECTION("line not found")
+       {
+               auto line = ::gpiod::find_line("nonexistent-line");
+               REQUIRE_FALSE(line);
+       }
 }
 
 TEST_CASE("Line information can be correctly retrieved", "[line]")