1 files changed, 157 insertions, 0 deletions
diff --git a/tests/functional/r/raise/raise_missing_from.py b/tests/functional/r/raise/raise_missing_from.py
new file mode 100644
index 000000000..d23cefb5e
--- /dev/null
+++ b/tests/functional/r/raise/raise_missing_from.py
@@ -0,0 +1,157 @@
+# pylint:disable=missing-docstring, unreachable, using-constant-test, invalid-name, bare-except
+# pylint:disable=try-except-raise, undefined-variable, too-few-public-methods, superfluous-parens
+
+################################################################################
+# Positives:
+
+try:
+    1 / 0
+except ZeroDivisionError:
+    # +1: [raise-missing-from]
+    raise KeyError
+
+try:
+    1 / 0
+except ZeroDivisionError:
+    # Our algorithm doesn't have to be careful about the complicated expression below, because
+    # the exception above wasn't bound to a name.
+    # +1: [raise-missing-from]
+    raise (foo + bar).baz
+
+try:
+    1 / 0
+except ZeroDivisionError as e:
+    # +1: [raise-missing-from]
+    raise KeyError
+
+try:
+    1 / 0
+except ZeroDivisionError as e:
+    # +1: [raise-missing-from]
+    raise KeyError
+else:
+    pass
+finally:
+    pass
+
+try:
+    1 / 0
+except ZeroDivisionError as e:
+    if 1:
+        if 1:
+            with whatever:
+                try:
+                    # +1: [raise-missing-from]
+                    raise KeyError
+                except:
+                    pass
+
+try:
+    1 / 0
+except ZeroDivisionError as e:
+    # +1: [raise-missing-from]
+    raise KeyError()
+
+try:
+    1 / 0
+except ZeroDivisionError as e:
+    # +1: [raise-missing-from]
+    raise KeyError(whatever, whatever=whatever)
+
+
+################################################################################
+# Negatives (Same cases as above, except with `from`):
+
+try:
+    1 / 0
+except ZeroDivisionError:
+    raise KeyError from foo
+
+try:
+    1 / 0
+except ZeroDivisionError:
+    raise (foo + bar).baz from foo
+
+try:
+    1 / 0
+except ZeroDivisionError as e:
+    raise KeyError from foo
+
+try:
+    1 / 0
+except ZeroDivisionError as e:
+    raise KeyError from foo
+else:
+    pass
+finally:
+    pass
+
+try:
+    1 / 0
+except ZeroDivisionError as e:
+    if 1:
+        if 1:
+            with whatever:
+                try:
+                    raise KeyError from foo
+                except:
+                    pass
+
+try:
+    1 / 0
+except ZeroDivisionError as e:
+    raise KeyError() from foo
+
+try:
+    1 / 0
+except ZeroDivisionError as e:
+    raise KeyError(whatever, whatever=whatever) from foo
+
+
+################################################################################
+# Other negatives:
+
+try:
+    1 / 0
+except ZeroDivisionError:
+    raise
+
+try:
+    1 / 0
+except ZeroDivisionError as e:
+    raise
+
+try:
+    1 / 0
+except ZeroDivisionError as e:
+    raise e
+
+try:
+    1 / 0
+except ZeroDivisionError as e:
+    if 1:
+        if 1:
+            if 1:
+                raise e
+
+try:
+    1 / 0
+except ZeroDivisionError as e:
+    raise e.with_traceback(e.__traceback__)
+
+try:
+    1 / 0
+except ZeroDivisionError as e:
+    raise (e + 7)
+
+try:
+    1 / 0
+except ZeroDivisionError as e:
+    def f():
+        raise KeyError
+
+try:
+    1 / 0
+except ZeroDivisionError as e:
+    class Foo:
+        raise KeyError