[libgpiod][PATCH] bindings: cxx: fix sign-compare compile warnings in tests

[Kent Gibson <warthog618@xxxxxxxxx>]

Fix sign-compare compile warnings in cxx tests.

Signed-off-by: Kent Gibson <warthog618@xxxxxxxxx>
---

Just noticed these warnings while rebuilding in a fresh build environment.
Not sure if they were triggered by an enviromental change, or if I just
wasn't paying enough attention before, but either way this patch makes
the compiler happier.

 bindings/cxx/tests/tests-iter.cpp | 2 +-
 bindings/cxx/tests/tests-line.cpp | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/bindings/cxx/tests/tests-iter.cpp b/bindings/cxx/tests/tests-iter.cpp
index fdc2cb5..4c07613 100644
--- a/bindings/cxx/tests/tests-iter.cpp
+++ b/bindings/cxx/tests/tests-iter.cpp
@@ -53,7 +53,7 @@ TEST_CASE("Line iterator works", "[iter][line]")
 {
 	mockup::probe_guard mockup_chips({ 4 });
 	::gpiod::chip chip(mockup::instance().chip_name(0));
-	int count = 0;
+	unsigned int count = 0;
 
 	for (auto& it: ::gpiod::line_iter(chip))
 		REQUIRE(it.offset() == count++);
diff --git a/bindings/cxx/tests/tests-line.cpp b/bindings/cxx/tests/tests-line.cpp
index 5353093..e2e4cbc 100644
--- a/bindings/cxx/tests/tests-line.cpp
+++ b/bindings/cxx/tests/tests-line.cpp
@@ -210,7 +210,7 @@ TEST_CASE("Line bulk object works correctly", "[line][bulk]")
 	SECTION("bulk iterator works")
 	{
 		auto lines = chip.get_all_lines();
-		int count = 0;
+		unsigned int count = 0;
 
 		for (auto& it: lines)
 			REQUIRE(it.offset() == count++);

base-commit: b56d6b6a452e47fee8c70514afb99ccd77ada677
-- 
2.27.0