tests/unix/extra_coverage: Add tests for importing frozen packages.

tests/unix/extra_coverage.py

@@ -17,3 +17,15 @@ print(hash(str(data[1], 'utf8')))
 # test basic import of frozen scripts
 import frzstr1
 import frzmpy1
+
+# test import of frozen packages with __init__.py
+import frzstr_pkg1
+print(frzstr_pkg1.x)
+import frzmpy_pkg1
+print(frzmpy_pkg1.x)
+
+# test import of frozen packages without __init__.py
+from frzstr_pkg2.mod import Foo
+print(Foo.x)
+from frzmpy_pkg2.mod import Foo
+print(Foo.x)

tests/unix/extra_coverage.py.exp

@@ -50,3 +50,11 @@ Warning: test
 7300
 frzstr1
 frzmpy1
+frzstr_pkg1.__init__
+1
+frzmpy_pkg1.__init__
+1
+frzstr_pkg2.mod
+1
+frzmpy_pkg2.mod
+1

unix/coverage-frzmpy/frzmpy_pkg1/__init__.py

+# test frozen package with __init__.py
+print('frzmpy_pkg1.__init__')
+x = 1

unix/coverage-frzmpy/frzmpy_pkg2/mod.py

+# test frozen package without __init__.py
+print('frzmpy_pkg2.mod')
+class Foo:
+    x = 1

unix/coverage-frzstr/frzstr_pkg1/__init__.py

+# test frozen package with __init__.py
+print('frzstr_pkg1.__init__')
+x = 1

unix/coverage-frzstr/frzstr_pkg2/mod.py

+# test frozen package without __init__.py
+print('frzstr_pkg2.mod')
+class Foo:
+    x = 1