Move tests to 3.10 file so only run on >=3.10

Author: Don-Burns

test-data/unit/check-match-exhaustive.test

@@ -2638,3 +2638,142 @@ def f2() -> None:
                 return
     reveal_type(y) # N: Revealed type is "builtins.str"
 [builtins fixtures/list.pyi]
+
+[case testExhaustiveMatchNoFlag]
+
+a: int = 5
+match a:
+    case 1:
+        pass
+    case _:
+        pass
+
+b: str = "hello"
+match b:
+    case "bye":
+        pass
+    case _:
+        pass
+
+[case testNonExhaustiveMatchNoFlag]
+
+a: int = 5
+match a:
+    case 1:
+        pass
+
+b: str = "hello"
+match b:
+    case "bye":
+        pass
+
+
+[case testExhaustiveMatchWithFlag]
+# flags: --only-allow-exhaustive-match-statements
+
+a: int = 5
+match a:
+    case 1:
+        pass
+    case _:
+        pass
+
+b: str = "hello"
+match b:
+    case "bye":
+        pass
+    case _:
+        pass
+
+[case testNonExhaustiveMatchWithFlag]
+# flags: --only-allow-exhaustive-match-statements
+
+a: int = 5
+match a: # E: Cases within match statement do not exhaustively handle all values: "int". If not intended to handle all cases, use `case _: pass`
+    case 1:
+        pass
+
+b: str = "hello"
+match b: # E: Cases within match statement do not exhaustively handle all values: "str". If not intended to handle all cases, use `case _: pass`
+    case "bye":
+        pass
+
+[case testNonExhaustiveMatchEnumWithFlag]
+# flags: --only-allow-exhaustive-match-statements
+
+import enum
+
+class Color(enum.Enum):
+    RED = 1
+    BLUE = 2
+    GREEN = 3
+
+val: Color = Color.RED
+
+match val: # E: Cases within match statement do not exhaustively handle all values: "Literal[Color.GREEN]". If not intended to handle all cases, use `case _: pass`
+    case Color.RED:
+        a = "red"
+    case Color.BLUE:
+        a= "blue"
+
+[builtins fixtures/enum.pyi]
+
+
+[case testExhaustiveMatchEnumWithFlag]
+# flags: --only-allow-exhaustive-match-statements
+
+import enum
+
+class Color(enum.Enum):
+    RED = 1
+    BLUE = 2
+
+val: Color = Color.RED
+
+match val:
+    case Color.RED:
+        a = "red"
+    case Color.BLUE:
+        a= "blue"
+
+[builtins fixtures/enum.pyi]
+
+[case testNonExhaustiveMatchEnumMultipleMissingMatchesWithFlag]
+# flags: --only-allow-exhaustive-match-statements
+
+import enum
+
+class Color(enum.Enum):
+    RED = 1
+    BLUE = 2
+    GREEN = 3
+
+val: Color = Color.RED
+
+match val: # E: Cases within match statement do not exhaustively handle all values: "Literal[Color.BLUE, Color.GREEN]". If not intended to handle all cases, use `case _: pass`
+    case Color.RED:
+        a = "red"
+
+
+[builtins fixtures/enum.pyi]
+
+[case testExhaustiveMatchEnumFallbackWithFlag]
+# flags: --only-allow-exhaustive-match-statements
+
+import enum
+
+class Color(enum.Enum):
+    RED = 1
+    BLUE = 2
+    GREEN = 3
+
+val: Color = Color.RED
+
+match val:
+    case Color.RED:
+        a = "red"
+    case _:
+        a = "other"
+
+
+[builtins fixtures/enum.pyi]