Add a test for displaying file and class static variables.

llvm-svn: 119734

lldb/test/class_static/TestStaticVariables.py

@@ -0,0 +1,64 @@
+"""
+Test display and Python APIs on file and class static variables.
+"""
+
+import os, time
+import unittest2
+import lldb
+from lldbtest import *
+
+class StaticVariableTestCase(TestBase):
+
+    mydir = "class_static"
+
+    @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
+    def test_with_dsym_and_run_command(self):
+        """Test that file and class static variables display correctly."""
+        self.buildDsym()
+        self.static_variable_commands()
+
+    def test_with_dwarf_and_run_command(self):
+        """Test that anonymous and named namespace variables display correctly."""
+        self.buildDwarf()
+        self.static_variable_commands()
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Find the line number to break at.
+        self.line = line_number('main.cpp', '// Set break point at this line.')
+
+    def static_variable_commands(self):
+        """Test that anonymous and named namespace variables display correctly."""
+        self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
+
+        self.expect("breakpoint set -f main.cpp -l %d" % self.line,
+                    BREAKPOINT_CREATED,
+            startstr = "Breakpoint created: 1: file ='main.cpp', line = %d, locations = 1" %
+                        self.line)
+
+        self.runCmd("run", RUN_SUCCEEDED)
+
+        # The stop reason of the thread should be breakpoint.
+        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+            substrs = ['state is stopped',
+                       'stop reason = breakpoint'])
+
+        # On Mac OS X, gcc 4.2 emits the wrong debug info for A::g_points.
+        slist = ['(PointType [2]) g_points', 'A::g_points']
+
+        # 'frame variable -G' finds and displays global variable(s) by name.
+        self.expect('frame variable -G g_points', VARIABLES_DISPLAYED_CORRECTLY,
+            substrs = slist)
+
+        # A::g_points is an array of two elements.
+        if sys.platform.startswith("darwin") and self.getCompiler() in ['clang', 'llvm-gcc']:
+            self.expect("frame variable A::g_points[1].x", VARIABLES_DISPLAYED_CORRECTLY,
+                startstr = "(int) A::g_points[1].x = 11")
+
+
+if __name__ == '__main__':
+    import atexit
+    lldb.SBDebugger.Initialize()
+    atexit.register(lambda: lldb.SBDebugger.Terminate())
+    unittest2.main()

lldb/test/class_static/main.cpp

@@ -45,7 +45,7 @@ static PointType g_points[] =
 int
 main (int argc, char const *argv[])
 {
-    printf ("A::g_points[1].x = %i\n", A::g_points[1].x);
+    printf ("A::g_points[1].x = %i\n", A::g_points[1].x); // Set break point at this line.
     printf ("::g_points[1].x = %i\n", g_points[1].x);
     return 0;
 }