Replace assert from Python testcases with code that always runs.

assert code is sometimes not executed, eg when running python -O.

Examples/test-suite/python/cpp_static_runme.py

@@ -14,4 +14,5 @@ else:
     StaticFunctionTest().static_func_2(1)
     StaticFunctionTest().static_func_3(1, 2)
 StaticMemberTest.static_int = 10
-assert StaticMemberTest.static_int == 10
+if not StaticMemberTest.static_int == 10:
+    raise RuntimeError("static_int not 10")

Examples/test-suite/python/exception_classname_runme.py

@@ -1,4 +1,5 @@
 import exception_classname
 
 a = exception_classname.Exception()
-assert a.testfunc() == 42
+if a.testfunc() != 42:
+    raise RuntimeError("Not 42!")

Examples/test-suite/python/operbool_runme.py

@@ -1,3 +1,4 @@
 #!/usr/bin/env python
 import operbool
-assert not operbool.Test()
+if operbool.Test():
+    raise RuntimeError("operbool failed")

Examples/test-suite/python/python_destructor_exception_runme.py

@@ -26,8 +26,10 @@ def test1():
         sys.stderr.flush()
         sys.stderr = stderr_saved
 
-    assert attributeErrorOccurred
-    assert buffer.getvalue().count("I am the ClassWithThrowingDestructor dtor doing bad things") >= 1
+    if not attributeErrorOccurred:
+        raise RuntimeError("attributeErrorOccurred failed")
+    if not buffer.getvalue().count("I am the ClassWithThrowingDestructor dtor doing bad things") >= 1:
+        raise RuntimeError("ClassWithThrowingDestructor dtor doing bad things failed")
 
 class VectorHolder(object):
     def __init__(self, v):

Examples/test-suite/python/unicode_strings_runme.py

@@ -13,11 +13,15 @@ if sys.version_info[0:2] >= (3, 1):
     if unicode_strings.non_utf8_std_string() != test_string:
         raise ValueError('Test comparison mismatch')
 
+def check(s1, s2):
+    if s1 != s2:
+        raise RuntimeError("{} != {}".format(s1, s2))
+
 # Testing SWIG_PYTHON_2_UNICODE flag which allows unicode strings to be passed to C
 if sys.version_info[0:2] < (3, 0):
-    assert unicode_strings.charstring("hello1") == "hello1"
-    assert unicode_strings.charstring(str(u"hello2")) == "hello2"
-    assert unicode_strings.charstring(u"hello3") == "hello3"
-    assert unicode_strings.charstring(unicode("hello4")) == "hello4"
+    check(unicode_strings.charstring("hello1"), "hello1")
+    check(unicode_strings.charstring(str(u"hello2")), "hello2")
+    check(unicode_strings.charstring(u"hello3"), "hello3")
+    check(unicode_strings.charstring(unicode("hello4")), "hello4")
     unicode_strings.charstring(u"hell\xb05")
     unicode_strings.charstring(u"hell\u00f66")