1 files changed, 71 insertions, 0 deletions
diff --git a/test/optional_scalars_test/optional_scalars_test.fbs b/test/optional_scalars_test/optional_scalars_test.fbs
new file mode 100644
index 0000000..ba4c9d4
--- /dev/null
+++ b/test/optional_scalars_test/optional_scalars_test.fbs
@@ -0,0 +1,71 @@
+namespace optional_scalars;
+
+enum OptionalByte: byte {
+  None = 0,
+  One = 1,
+}
+
+// Enums without a 0 element normally requires an initializer
+// which is a problem when = null is the default. In this case
+// the default value is forced to 0 when a reader insists on
+// getting a numerical value instead of null.
+enum OptionalFactor: byte {
+  Once = 1,
+  Twice = 2,
+}
+
+// This table tests optional scalars in tables. It should be integrated with
+// the main monster test once most languages support optional scalars.
+table ScalarStuff {
+  just_i8: int8;
+  maybe_i8: int8 = null;
+  default_i8: int8 = 42;
+  just_u8: uint8;
+  maybe_u8: uint8 = null;
+  default_u8: uint8 = 42;
+
+  just_i16: int16;
+  maybe_i16: int16 = null;
+  default_i16: int16 = 42;
+  just_u16: uint16;
+  maybe_u16: uint16 = null;
+  default_u16: uint16 = 42;
+
+  just_i32: int32;
+  maybe_i32: int32 = null;
+  default_i32: int32 = 42;
+  just_u32: uint32;
+  maybe_u32: uint32 = null;
+  default_u32: uint32 = 42;
+
+  just_i64: int64;
+  maybe_i64: int64 = null;
+  default_i64: int64 = 42;
+  just_u64: uint64;
+  maybe_u64: uint64 = null;
+  default_u64: uint64 = 42;
+
+  just_f32: float32;
+  maybe_f32: float32 = null;
+  default_f32: float32 = 42;
+  just_f64: float64;
+  maybe_f64: float64 = null;
+  default_f64: float64 = 42;
+
+  just_bool: bool;
+  maybe_bool: bool = null;
+  default_bool: bool = true;
+
+  just_enum: OptionalByte;
+  maybe_enum: OptionalByte = null;
+  default_enum: OptionalByte = One;
+
+  just_xfactor: OptionalFactor = Once;
+  maybe_xfactor: OptionalFactor = null;
+  default_xfactor: OptionalFactor = Twice;
+
+  just_yfactor: OptionalFactor = Once;
+  maybe_yfactor: OptionalFactor = null;
+  default_yfactor: OptionalFactor = Twice;
+
+}