1 files changed, 110 insertions, 0 deletions
diff --git a/tests/context1.c b/tests/context1.c
new file mode 100644
index 0000000..8f615e1
--- /dev/null
+++ b/tests/context1.c
@@ -0,0 +1,110 @@
+/*
+ * File: context1.c
+ *
+ * Test Synopsis: Test context switching method.
+ *
+ * Test Method (Validation or Falsification):
+ * - 
+ *
+ * Requirements Tested:
+ * -
+ *
+ * Features Tested:
+ * - 
+ *
+ * Cases Tested:
+ * - 
+ *
+ * Description:
+ * - 
+ *
+ * Environment:
+ * - 
+ *
+ * Input:
+ * - None.
+ *
+ * Output:
+ * - File name, Line number, and failed expression on failure.
+ * - No output on success.
+ *
+ * Assumptions:
+ * - pthread_create
+ *   pthread_exit
+ *
+ * Pass Criteria:
+ * - Process returns zero exit status.
+ *
+ * Fail Criteria:
+ * - Process returns non-zero exit status.
+ */
+
+#include "test.h"
+#include "../implement.h"
+
+static int washere = 0;
+
+static void * func(void * arg)
+{
+  washere = 1;
+
+  Sleep(1000);
+
+  return 0; 
+}
+
+static void
+anotherEnding ()
+{
+  /*
+   * Switched context
+   */
+  washere++;
+
+  pthread_exit(0);
+}
+
+int
+main()
+{
+  pthread_t t;
+  HANDLE hThread;
+
+  assert(pthread_create(&t, NULL, func, NULL) == 0);
+
+  hThread = t->threadH;
+
+  Sleep(500);
+
+  SuspendThread(hThread);
+
+  if (WaitForSingleObject(hThread, 0) == WAIT_TIMEOUT) 
+    {
+      /*
+       * Ok, thread did not exit before we got to it.
+       */
+      CONTEXT context;
+
+      context.ContextFlags = CONTEXT_CONTROL;
+
+      GetThreadContext(hThread, &context);
+      /*
+       *_x86 only!!!
+       */
+      context.Eip = (DWORD) anotherEnding;
+      SetThreadContext(hThread, &context);
+      ResumeThread(hThread);
+    }
+  else
+    {
+      printf("Exited early\n");
+      fflush(stdout);
+    }
+
+  Sleep(1000);
+
+  assert(washere == 2);
+
+  return 0;
+}
+