Add more tests for C++11 raw string literals

Test added to check fixes for:

- Issue #948 and issue #1019 and issue #1273 - raw string delimiters
  not being stripped off
- Issue #538 - Ruby support for "docstring" feature

Examples/test-suite/python/cpp11_raw_string_literals_runme.py

@@ -1,4 +1,5 @@
 from cpp11_raw_string_literals import *
+import inspect
 
 if cvar.L != 100:
     raise RuntimeError
@@ -46,3 +47,29 @@ if cvar.ff != "I'm a \"raw wide\" \\ string.":
 
 if cvar.gg != "I'm a \"raw UTF-8\" \\ string.":
     raise RuntimeError, cvar.gg
+
+
+def check(got, expected):
+    expected_list = expected.split("\n")
+    got_list = got.split("\n")
+
+    if expected_list != got_list:
+        raise RuntimeError("\n" + "Expected: " + str(expected_list) + "\n" + "Got     : " + str(got_list))
+
+# When getting docstrings, use inspect.getdoc(x) instead of x.__doc__ otherwise the different options
+# such as -O and -builtin may produce different initial indentation.
+check(inspect.getdoc(RawStringDoc.WW), "Single line documentation comment")
+check(inspect.getdoc(RawStringDoc.XX),
+"""Multi-line
+documentation
+comment""")
+check(inspect.getdoc(RawStringDoc.YY), """Single line "raw string" documentation comment""")
+check(inspect.getdoc(RawStringDoc.ZZ),
+"""Documentation comment
+
+as a "raw string"
+on multiple lines including a \ backslash""")
+
+check(mm, """)I'm an "ascii" \ string constant with multiple
+
+lines.""")