tests/basics: Split out generator.throw tests that pass multiple args.

The three-argument form of `.throw()` is deprecated since CPython 3.12.  So
split out into separate tests (with .exp files) the parts of the generator
tests that test more than one argument.

Signed-off-by: Damien George <damien@micropython.org>

Author: dpgeorge

tests/basics/gen_yield_from_throw.py

@@ -17,24 +17,6 @@ def gen2():
 except TypeError:
     print("got TypeError from downstream!")
 
-# passing None as second argument to throw
-g = gen2()
-print(next(g))
-print(g.throw(ValueError, None))
-try:
-    print(next(g))
-except TypeError:
-    print("got TypeError from downstream!")
-
-# passing an exception instance as second argument to throw
-g = gen2()
-print(next(g))
-print(g.throw(ValueError, ValueError(123)))
-try:
-    print(next(g))
-except TypeError:
-    print("got TypeError from downstream!")
-
 # thrown value is caught and then generator returns normally
 def gen():
     try:

tests/basics/gen_yield_from_throw_multi_arg.py

@@ -0,0 +1,34 @@
+# Test generator .throw() with multiple arguments.
+# Using multiple arguments is deprecated since CPython 3.12.
+
+
+def gen():
+    try:
+        yield 1
+    except ValueError as e:
+        print("got ValueError from upstream!", repr(e.args))
+    yield "str1"
+    raise TypeError
+
+
+def gen2():
+    print((yield from gen()))
+
+
+# Passing None as second argument to throw.
+g = gen2()
+print(next(g))
+print(g.throw(ValueError, None))
+try:
+    print(next(g))
+except TypeError:
+    print("got TypeError from downstream!")
+
+# Passing an exception instance as second argument to throw.
+g = gen2()
+print(next(g))
+print(g.throw(ValueError, ValueError(123)))
+try:
+    print(next(g))
+except TypeError:
+    print("got TypeError from downstream!")

tests/basics/gen_yield_from_throw_multi_arg.py.exp

@@ -0,0 +1,8 @@
+1
+got ValueError from upstream! ()
+str1
+got TypeError from downstream!
+1
+got ValueError from upstream! (123,)
+str1
+got TypeError from downstream!

tests/basics/generator_throw.py

@@ -41,13 +41,3 @@ def gen():
 g = gen()
 print(next(g))
 print(g.throw(GeneratorExit()))
-
-# thrown an instance with None as second arg
-g = gen()
-print(next(g))
-print(g.throw(GeneratorExit(), None))
-
-# thrown a class and instance
-g = gen()
-print(next(g))
-print(g.throw(GeneratorExit, GeneratorExit(123)))

tests/basics/generator_throw_multi_arg.py

@@ -0,0 +1,21 @@
+# Test generator .throw() with multiple arguments.
+# Using multiple arguments is deprecated since CPython 3.12.
+
+# Generator ignores a thrown GeneratorExit (this is allowed).
+def gen():
+    try:
+        yield 123
+    except GeneratorExit as e:
+        print("GeneratorExit", repr(e.args))
+    yield 456
+
+
+# Thrown an instance with None as second arg.
+g = gen()
+print(next(g))
+print(g.throw(GeneratorExit(), None))
+
+# Thrown a class and instance.
+g = gen()
+print(next(g))
+print(g.throw(GeneratorExit, GeneratorExit(123)))

tests/basics/generator_throw_multi_arg.py.exp

@@ -0,0 +1,6 @@
+123
+GeneratorExit ()
+456
+123
+GeneratorExit (123,)
+456