1 files changed, 38 insertions, 0 deletions
diff --git a/nihil.posix/open.test.cc b/nihil.posix/open.test.cc
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+++ b/nihil.posix/open.test.cc
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+// This source code is released into the public domain.
+
+#include <catch2/catch_test_macros.hpp>
+
+import nihil.error;
+import nihil.posix;
+
+namespace {
+
+SCENARIO("nihil::open() can open an existing file")
+{
+	GIVEN ("A call to open() for /bin/sh") {
+		auto ret = nihil::open("/bin/sh", nihil::open_read);
+
+		THEN ("The returned file descriptor should be /bin/sh") {
+			REQUIRE(ret);
+
+			auto sb1 = nihil::stat(*ret).value();
+			auto sb2 = nihil::stat("/bin/sh").value();
+			REQUIRE(sb1.st_ino == sb2.st_ino);
+			REQUIRE(sb1.st_dev == sb2.st_dev);
+		}
+	}
+}
+
+SCENARIO("nihil::open_in_path returns ENOENT when the file is not found")
+{
+	GIVEN ("A call to open for a non-existent file") {
+		auto ret = nihil::open("/nihil_no_such_file", nihil::open_read);
+
+		THEN ("The return value should be std::errc::no_such_file_or_directory") {
+			REQUIRE(!ret);
+			REQUIRE(ret.error() == std::errc::no_such_file_or_directory);
+		}
+	}
+}
+
+} // anonymous namespace