posix: add tempfile()

1 files changed, 90 insertions, 0 deletions

diff --git a/nihil.posix/test.tempfile.cc b/nihil.posix/test.tempfile.cc
new file mode 100644
index 0000000..b1c7604
--- /dev/null
+++ b/nihil.posix/test.tempfile.cc
@@ -0,0 +1,90 @@
+/*
+ * This source code is released into the public domain.
+ */
+
+#include <filesystem>
+
+#include <catch2/catch_test_macros.hpp>
+
+import nihil.posix;
+
+TEST_CASE("posix.tempfile: create", "[nihil][nihil.posix]")
+{
+	auto file = nihil::tempfile();
+	REQUIRE(file);
+	REQUIRE(file->fd());
+
+	auto path = file->path();
+	REQUIRE(exists(path) == true);
+}
+
+TEST_CASE("posix.tempfile: create and release", "[nihil][nihil.posix]")
+{
+	auto file = nihil::tempfile();
+	REQUIRE(file);
+	REQUIRE(file->fd());
+
+	auto path = file->path();
+	REQUIRE(exists(path) == true);
+
+	file->release();
+	REQUIRE(exists(path) == false);
+
+	REQUIRE_THROWS_AS(file->fd(), std::logic_error);
+	REQUIRE_THROWS_AS(file->path(), std::logic_error);
+}
+
+TEST_CASE("posix.tempfile: create and double release", "[nihil][nihil.posix]")
+{
+	auto file = nihil::tempfile();
+	REQUIRE(file->fd());
+
+	auto path = file->path();
+	REQUIRE(exists(path) == true);
+
+	file->release();
+	REQUIRE(exists(path) == false);
+
+	REQUIRE_THROWS_AS(file->fd(), std::logic_error);
+	REQUIRE_THROWS_AS(file->release(), std::logic_error);
+	REQUIRE_THROWS_AS(file->path(), std::logic_error);
+}
+
+TEST_CASE("posix.tempfile: create unlinked", "[nihil][nihil.posix]")
+{
+	auto file = nihil::tempfile(nihil::tempfile_unlink);
+	REQUIRE(file);
+	REQUIRE(file->fd());
+
+	REQUIRE_THROWS_AS(file->path(), std::logic_error);
+}
+
+TEST_CASE("posix.tempfile: create unlinked and release",
+	  "[nihil][nihil.posix]")
+{
+	auto file = nihil::tempfile(nihil::tempfile_unlink);
+	REQUIRE(file);
+	REQUIRE(file->fd());
+
+	REQUIRE_THROWS_AS(file->path(), std::logic_error);
+
+	file->release();
+
+	REQUIRE_THROWS_AS(file->fd(), std::logic_error);
+	REQUIRE_THROWS_AS(file->path(), std::logic_error);
+}
+
+TEST_CASE("posix.tempfile: create unlinked and double release",
+	  "[nihil][nihil.posix]")
+{
+	auto file = nihil::tempfile(nihil::tempfile_unlink);
+	REQUIRE(file->fd());
+
+	REQUIRE_THROWS_AS(file->path(), std::logic_error);
+
+	file->release();
+
+	REQUIRE_THROWS_AS(file->fd(), std::logic_error);
+	REQUIRE_THROWS_AS(file->release(), std::logic_error);
+	REQUIRE_THROWS_AS(file->path(), std::logic_error);
+}