tests: Add some tests to improve coverage.

Used gcov to find some parts of vm.c, runtime.c, obj.c that were not
covered by any tests.  Still need to use gcov more thoroughly.

1 files changed, 11 insertions, 0 deletions

diff --git a/tests/basics/builtin_hash.py b/tests/basics/builtin_hash.py
index c4c7019b47..0abfe980e1 100644
--- a/tests/basics/builtin_hash.py
+++ b/tests/basics/builtin_hash.py
@@ -1,5 +1,16 @@
 # test builtin hash function
 
+print(hash(False))
+print(hash(True))
+print({():1}) # hash tuple
+print({1 << 66:1}) # hash big int
+print(hash in {hash:1}) # hash function
+
+try:
+    hash([])
+except TypeError:
+    print("TypeError")
+
 class A:
     def __hash__(self):
         return 123