Adding a test case for expression parser's support for Unicode strings. This is an expected failure for now

llvm-svn: 172493

lldb/test/lang/cpp/rdar12991846/Makefile

@@ -0,0 +1,8 @@
+LEVEL = ../../../make
+
+CXX_SOURCES := main.cpp
+CFLAGS :=-arch x86_64 -gdwarf-2 -O0 -std=c++11
+
+clean: OBJECTS+=$(wildcard main.d.*)
+
+include $(LEVEL)/Makefile.rules

lldb/test/lang/cpp/rdar12991846/TestRdar12991846.py

@@ -0,0 +1,81 @@
+# coding=utf8
+"""
+Test that the expression parser returns proper Unicode strings.
+"""
+
+import os, time
+import unittest2
+import lldb
+from lldbtest import *
+import lldbutil
+
+# this test case fails because of rdar://12991846
+# the expression parser does not deal correctly with Unicode expressions
+# e.g.
+#(lldb) expr L"Hello"
+#(const wchar_t [6]) $0 = {
+#  [0] = \0\0\0\0
+#  [1] = \0\0\0\0
+#  [2] = \0\0\0\0
+#  [3] = \0\0\0\0
+#  [4] = H\0\0\0
+#  [5] = e\0\0\0
+#}
+
+class Rdar12991846TestCase(TestBase):
+
+    mydir = os.path.join("lang", "cpp", "rdar12991846")
+
+    @unittest2.expectedFailure
+    @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
+    @dsym_test
+    def test_with_dsym(self):
+        """Test that the expression parser returns proper Unicode strings."""
+        self.buildDsym()
+        self.rdar12991846()
+
+    @unittest2.expectedFailure
+    @dwarf_test
+    def test_with_dwarf(self):
+        """Test that the expression parser returns proper Unicode strings."""
+        self.buildDwarf()
+        self.rdar12991846()
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Find the line number to break for main.cpp.
+        self.source = 'main.cpp'
+        self.line = line_number(self.source, '// Set break point at this line.')
+
+    def rdar12991846(self):
+        """Test that the expression parser returns proper Unicode strings."""
+        exe = os.path.join(os.getcwd(), "a.out")
+
+        # Create a target by the debugger.
+        target = self.dbg.CreateTarget(exe)
+        self.assertTrue(target, VALID_TARGET)
+
+        # Break on the struct declration statement in main.cpp.
+        lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line)
+
+        # Now launch the process, and do not stop at entry point.
+        process = target.LaunchSimple(None, None, os.getcwd())
+
+        if not process:
+            self.fail("SBTarget.Launch() failed")
+
+        self.expect('expression L"hello"',
+            substrs = ['hello'])
+
+        self.expect('expression u"hello"',
+           substrs = ['hello'])
+
+        self.expect('expression U"hello"',
+            substrs = ['hello'])
+
+if __name__ == '__main__':
+    import atexit
+    lldb.SBDebugger.Initialize()
+    atexit.register(lambda: lldb.SBDebugger.Terminate())
+    unittest2.main()

lldb/test/lang/cpp/rdar12991846/main.cpp

@@ -0,0 +1,21 @@
+//===-- main.c --------------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+
+int main (int argc, char const *argv[])
+{
+    auto cs16 = u"hello world ྒྙྐ";
+	auto cs32 = U"hello world ྒྙྐ";
+    char16_t *s16 = (char16_t *)u"ﺸﺵۻ";
+    char32_t *s32 = (char32_t *)U"ЕЙРГЖО";
+    s32 = nullptr; // Set break point at this line.
+    s32 = (char32_t *)U"෴";
+    s16 = (char16_t *)u"色ハ匂ヘト散リヌルヲ";
+    return 0;
+}