tests/basics: Split out gen throw tests from yield-from-throw tests.

tests/basics/gen_yield_from_throw.py

@@ -16,29 +16,3 @@ try:
     print(next(g))
 except TypeError:
     print("got TypeError from downstream!")
-
-# case where generator doesn't intercept the thrown/injected exception
-def gen3():
-    yield 123
-    yield 456
-        
-g3 = gen3()
-print(next(g3))
-try:
-    g3.throw(KeyError)
-except KeyError:
-    print('got KeyError from downstream!')
-
-# case where a thrown exception is caught and stops the generator
-def gen4():
-    try:
-        yield 1
-        yield 2
-    except:
-        pass
-g4 = gen4()
-print(next(g4))
-try:
-    g4.throw(ValueError)
-except StopIteration:
-    print('got StopIteration')

tests/basics/generator_throw.py

+# case where generator doesn't intercept the thrown/injected exception
+def gen():
+    yield 123
+    yield 456
+        
+g = gen()
+print(next(g))
+try:
+    g.throw(KeyError)
+except KeyError:
+    print('got KeyError from downstream!')
+
+# case where a thrown exception is caught and stops the generator
+def gen():
+    try:
+        yield 1
+        yield 2
+    except:
+        pass
+g = gen()
+print(next(g))
+try:
+    g.throw(ValueError)
+except StopIteration:
+    print('got StopIteration')
+
+# generator ignores a thrown GeneratorExit (this is allowed)
+def gen():
+    try:
+        yield 123
+    except GeneratorExit:
+        print('GeneratorExit')
+    yield 456
+        
+# thrown a class
+g = gen()
+print(next(g))
+print(g.throw(GeneratorExit))
+
+# thrown an instance
+g = gen()
+print(next(g))
+print(g.throw(GeneratorExit()))

tests/run-tests

@@ -352,7 +352,7 @@ def run_tests(pyb, tests, args, base_path="."):
     # Some tests are known to fail with native emitter
     # Remove them from the below when they work
     if args.emit == 'native':
-        skip_tests.update({'basics/%s.py' % t for t in 'gen_yield_from gen_yield_from_close gen_yield_from_ducktype gen_yield_from_exc gen_yield_from_executing gen_yield_from_iter gen_yield_from_send gen_yield_from_stopped gen_yield_from_throw gen_yield_from_throw2 gen_yield_from_throw3 generator1 generator2 generator_args generator_close generator_closure generator_exc generator_name generator_pend_throw generator_return generator_send generator_pep479'.split()}) # require yield
+        skip_tests.update({'basics/%s.py' % t for t in 'gen_yield_from gen_yield_from_close gen_yield_from_ducktype gen_yield_from_exc gen_yield_from_executing gen_yield_from_iter gen_yield_from_send gen_yield_from_stopped gen_yield_from_throw gen_yield_from_throw2 gen_yield_from_throw3 generator1 generator2 generator_args generator_close generator_closure generator_exc generator_name generator_pend_throw generator_return generator_send generator_throw generator_pep479'.split()}) # require yield
         skip_tests.update({'basics/%s.py' % t for t in 'bytes_gen class_store_class globals_del string_join'.split()}) # require yield
         skip_tests.update({'basics/async_%s.py' % t for t in 'def await await2 for for2 with with2 with_break with_return'.split()}) # require yield
         skip_tests.update({'basics/%s.py' % t for t in 'try_reraise try_reraise2'.split()}) # require raise_varargs