1 files changed, 23 insertions(+), 0 deletions(-)

M src/interop/go-bare/marshal_test.zig

@@ 60,3 60,26 @@ test "marshal value" {
         try expectEqualSlices(u8, tuple[0], fbs.getWritten());
     }
 }
+
+test "marshal optional" {
+    {
+        var buf: [0x1_000]u8 = undefined;
+        var fbs = io.fixedBufferStream(&buf);
+        const writer = fbs.writer();
+        var e = encoder(writer);
+
+        const val: ?u32 = null;
+        try e.encode(val);
+        try expectEqualSlices(u8, &[_]u8{0x00}, fbs.getWritten());
+    }
+    {
+        var buf: [0x1_000]u8 = undefined;
+        var fbs = io.fixedBufferStream(&buf);
+        const writer = fbs.writer();
+        var e = encoder(writer);
+        const val: ?u32 = 0xDEADBEEF;
+
+        try e.encode(val);
+        try testing.expectEqualSlices(u8, &[_]u8{ 0x01, 0xEF, 0xBE, 0xAD, 0xDE }, fbs.getWritten());
+    }
+}