Add test cases for Python SBThread.StepOut() API by stepping out of a malloc call where the call site is at function b().

Verifies that after the thread.StepOut(), we are at the correct line within function b.

llvm-svn: 127374

lldb/test/python_api/thread/main2.cpp

@@ -0,0 +1,54 @@
+//===-- main.c --------------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+#include <stdio.h>
+#include <stdlib.h>
+
+int a(int);
+int b(int);
+int c(int);
+
+int a(int val)
+{
+    if (val <= 1)
+        return b(val);
+    else if (val >= 3)
+        return c(val);
+
+    return val;
+}
+
+int b(int val)
+{
+    int rc = c(val);
+    void *ptr = malloc(1024); // thread step-out of malloc into function b.
+    if (!ptr)
+        return -1;
+    else
+        printf("ptr=%p\n", ptr);
+    return rc;
+}
+
+int c(int val)
+{
+    return val + 3;
+}
+
+int main (int argc, char const *argv[])
+{
+    int A1 = a(1);
+    printf("a(1) returns %d\n", A1);
+    
+    int B2 = b(2);
+    printf("b(2) returns %d\n", B2);
+    
+    int A3 = a(3);
+    printf("a(3) returns %d\n", A3);
+    
+    return 0;
+}