Added a testcase for runtime types in Objective-C.

llvm-svn: 166507

lldb/test/lang/objc/foundation/TestRuntimeTypes.py

@@ -0,0 +1,62 @@
+"""
+Test that Objective-C methods from the runtime work correctly.
+"""
+
+import os, time
+import unittest2
+import lldb
+from lldbtest import *
+import lldbutil
+
+@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
+class RuntimeTypesTestCase(TestBase):
+
+    mydir = os.path.join("lang", "objc", "foundation")
+
+    @dsym_test
+    def test_break_with_dsym(self):
+        """Test setting objc breakpoints using '_regexp-break' and 'breakpoint set'."""
+        # This only applies to the v2 runtime
+        if self.getArchitecture() == 'x86_64':
+            self.buildDsym()
+            self.runtime_types()
+
+    @dwarf_test
+    def test_break_with_dwarf(self):
+        """Test setting objc breakpoints using '_regexp-break' and 'breakpoint set'."""
+        # This only applies to the v2 runtime
+        if self.getArchitecture() == 'x86_64':
+            self.buildDwarf()
+            self.runtime_types()
+
+    def runtime_types(self):
+        exe = os.path.join(os.getcwd(), "a.out")
+        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+        # Stop at -[MyString description].
+        lldbutil.run_break_set_by_symbol (self, '-[MyString description]', num_expected_locations=1, sym_exact=True)
+
+        self.runCmd("run", RUN_SUCCEEDED)
+
+        # The backtrace should show we stop at -[MyString description].
+        self.expect("thread backtrace", "Stop at -[MyString description]",
+            substrs = ["a.out`-[MyString description]"])
+
+        # Use runtime information about NSString.
+
+        # The length property should be usable.
+        self.expect("expression str.length", VARIABLES_DISPLAYED_CORRECTLY,
+            substrs = ["(unsigned long long)"])
+
+        # Static methods on NSString should work.
+        self.expect("expr [NSString stringWithCString:\"foo\" encoding:1]", VALID_TYPE,
+            substrs = ["(id)", "$1"])
+
+        self.expect("po $1", VARIABLES_DISPLAYED_CORRECTLY,
+            substrs = ["foo"])
+
+if __name__ == '__main__':
+    import atexit
+    lldb.SBDebugger.Initialize()
+    atexit.register(lambda: lldb.SBDebugger.Terminate())
+    unittest2.main()