Add TestExprs2.py for recent check-ins related to the 'expression' subsystem.

llvm-svn: 131111

lldb/test/expression_command/test/TestExprs2.py

@@ -0,0 +1,66 @@
+"""
+Test some more expression commands.
+"""
+
+import os
+import unittest2
+import lldb
+import lldbutil
+from lldbtest import *
+
+class ExprCommands2TestCase(TestBase):
+
+    mydir = os.path.join("expression_command", "test")
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        # Find the line number to break for main.c.
+        self.line = line_number('main.cpp',
+                                '// Please test many expressions while stopped at this line:')
+
+    def test_more_expr_commands(self):
+        """Test some more expression commands."""
+        self.buildDefault()
+
+        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" %
+                        self.line)
+
+        self.runCmd("run", RUN_SUCCEEDED)
+
+        # Does static casting work?
+        self.expect("expression (int*)argv",
+            startstr = "(int *) $0 = 0x")
+        # (int *) $0 = 0x00007fff5fbff258
+
+        # Do anonymous symbols work?
+        self.expect("expression ((char**)environ)[0]",
+            startstr = "(char *) $1 = 0x")
+        # (char *) $1 = 0x00007fff5fbff298 "Apple_PubSub_Socket_Render=/tmp/launch-7AEsUD/Render"
+
+        # Do return values containing the contents of expression locals work?
+        self.expect("expression int i = 5; i",
+            startstr = "(int) $2 = 5")
+        # (int) $2 = 5
+        self.expect("expression $2 + 1",
+            startstr = "(int) $3 = 6")
+        # (int) $3 = 6
+
+        # Do return values containing the results of static expressions work?
+        self.expect("expression 20 + 3",
+            startstr = "(int) $4 = 23")
+        # (int) $4 = 5
+        self.expect("expression $4 + 1",
+            startstr = "(int) $5 = 24")
+        # (int) $5 = 6
+
+
+if __name__ == '__main__':
+    import atexit
+    lldb.SBDebugger.Initialize()
+    atexit.register(lambda: lldb.SBDebugger.Terminate())
+    unittest2.main()