Introduce new way of handling flags

1 files changed, 85 insertions, 0 deletions

diff --git a/tests/flag_set.cc b/tests/flag_set.cc
new file mode 100644
index 00000000..125d8a81
--- /dev/null
+++ b/tests/flag_set.cc
@@ -0,0 +1,85 @@
+#include "flag_set.hpp"
+#include <bandit/bandit.h>
+using namespace bandit;
+
+//
+// Tests
+//
+
+go_bandit([]() {
+
+	describe("flag_set", []() {
+
+		// Convenience typedef
+		typedef flag_set<2> fs_t;
+
+		it("make function should handle tier=0, index=31 properly", [&] {
+			// Setup
+			fs_t fs = fs_t::make(0, 31);
+			// Exercise
+			auto result = fs;
+			// Verify
+			AssertThat(result[0], Equals(2147483648UL));
+			AssertThat(result[1], Equals(0UL));
+		});
+
+		it("make function should handle tier=1, index=31 properly", [&] {
+			// Setup
+			fs_t fs = fs_t::make(1, 31);
+			// Exercise
+			auto result = fs;
+			// Verify
+			AssertThat(result[0], Equals(0UL));
+			AssertThat(result[1], Equals(2147483648UL));
+		});
+
+		it("make function should respect the tier and index", [&] {
+			// Exercise
+			fs_t fs = fs_t::make(1, 7);
+			// Verify
+			AssertThat(fs[0], Equals(0UL));
+			AssertThat(fs[1], Equals(128UL));
+		});
+
+		it("bool conversion should return false for zero flags", [&] {
+			// Setup
+			fs_t fs = fs_t();
+			// Exercise
+			bool result = fs;
+			// Verify
+			AssertThat(result, Equals(false));
+		});
+
+		it("bool conversion should return true for non-zero flags", [&] {
+			// Setup
+			fs_t fs = fs_t::make(1, 3);
+			// Exercise
+			bool result = fs;
+			// Verify
+			AssertThat(result, Equals(true));
+		});
+
+		it("| operator should respect the tier and index", [&] {
+			// Setup
+			fs_t fs1 = fs_t::make(0, 31);
+			fs_t fs2 = fs_t::make(1, 3);
+			// Exercise
+			fs_t fs = fs1 | fs2;
+			// Verify
+			AssertThat(fs[0], Equals(2147483648UL));
+			AssertThat(fs[1], Equals(8UL));
+		});
+
+		it("& operator should respect the tier and index", [&] {
+			// Setup
+			fs_t fs = fs_t::make(0, 31) | fs_t::make(1, 3);
+			// Exercise
+			fs_t result = fs & fs;
+			// Verify
+			AssertThat(result[0], Equals(2147483648UL));
+			AssertThat(result[1], Equals(8UL));
+		});
+
+	});
+
+});