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@@ -0,0 +1,250 @@
+//===========================================================================
+//
+//      setjmp.c
+//
+//      Tests for ANSI standard setjmp() and longjmp() functions
+//
+//===========================================================================
+//####COPYRIGHTBEGIN####
+//
+// -------------------------------------------
+// The contents of this file are subject to the Cygnus eCos Public License
+// Version 1.0 (the "License"); you may not use this file except in
+// compliance with the License.  You may obtain a copy of the License at
+// http://sourceware.cygnus.com/ecos
+// 
+// Software distributed under the License is distributed on an "AS IS"
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the
+// License for the specific language governing rights and limitations under
+// the License.
+// 
+// The Original Code is eCos - Embedded Cygnus Operating System, released
+// September 30, 1998.
+// 
+// The Initial Developer of the Original Code is Cygnus.  Portions created
+// by Cygnus are Copyright (C) 1998 Cygnus Solutions.  All Rights Reserved.
+// -------------------------------------------
+//
+//####COPYRIGHTEND####
+//===========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):   jlarmour@cygnus.co.uk
+// Contributors:  jlarmour@cygnus.co.uk
+// Date:        1998-02-13
+// Purpose:     
+// Description: Contains test code for C library setjmp() and longjmp()
+//              functions
+//              The ANSI standard allows setjmp calls to be used ONLY in the
+//              forms:
+//                while (setjmp (jumpbuf))
+//                while (setjmp (jumpbuf) < 42)
+//                while (!setjmp (jumpbuf))
+//                setjmp (jumpbuf);
+//                result = setjmp(jumpbuf);
+//
+//              Or "while" can also be "if" or "switch" or the implicit
+//              while of "for". 
+// Usage:       
+//
+//####DESCRIPTIONEND####
+//
+//===========================================================================
+
+// Declarations for test system:
+//
+// TESTCASE_TYPE=CYG_TEST_MODULE
+// COMPOUND_TESTCASE
+
+// CONFIGURATION
+
+#include <pkgconf/libc.h>   // Configuration header
+
+// INCLUDES
+
+#include <cyg/infra/testcase.h>    // Test infrastructure header
+#include <setjmp.h>                // Header for what we're testing
+#include <sys/cstartup.h>          // C library initialisation
+
+// GLOBALS
+
+#ifdef CYGPKG_LIBC
+
+static jmp_buf jbuf, jbuf2, jbuf3;
+
+
+// FUNCTIONS
+
+static int
+test_fun( void )
+{
+    volatile int i=0; // add something to the stack to confuse things
+
+    longjmp( jbuf, 5 );
+    i+=5;
+
+    return i;
+} // test_fun();
+
+#endif // ifdef CYGPKG_LIBC
+
+externC void
+cyg_package_start( void )
+{
+#ifdef CYGPKG_LIBC
+    cyg_iso_c_start();
+#else
+    (void)main(0, NULL);
+#endif
+} // cyg_package_start()
+
+
+int
+main( int argc, char *argv[] )
+{
+#ifdef CYGPKG_LIBC
+    static int static_i=0;         // temporary variable
+    int j=0;                       // ditto
+    volatile int vol_k=0, vol_l=0; // ditto
+#endif
+
+    CYG_TEST_INIT();
+
+    CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library "
+                  "setjmp()/longjmp() functions");
+
+#ifdef CYGPKG_LIBC
+    // Test 1
+    if ( setjmp(jbuf) == 0 )
+    {
+        static_i=1;
+        longjmp(jbuf, 1);
+        static_i=2;
+    } // if
+
+    CYG_TEST_PASS_FAIL( static_i==1, "Simple test 1" );
+
+    // Test 2
+    j=2;
+
+    if ( !setjmp(jbuf) )
+    {
+        static_i=3;
+        longjmp(jbuf, 1);
+        static_i=4;
+        j=3;
+    } // if
+
+    CYG_TEST_PASS_FAIL( (static_i==3) && (j==2), "Simple test 2" );
+
+    // Test 3
+
+    static_i=0;
+    switch (setjmp(jbuf))
+    {
+    case 0:
+        static_i++;
+        if (static_i!=1)
+            CYG_TEST_FAIL("Test of value passed to longjmp()");
+        else
+            longjmp(jbuf, 5);
+        break;
+    case 5:
+        static_i++;
+        CYG_TEST_PASS_FAIL( (static_i==2),"Test of value passed to longjmp()");
+        break;
+    default:
+        CYG_TEST_FAIL( "Test of value passed to longjmp()");
+        break;
+    } // switch
+
+    // Test 3
+
+    static_i=0;
+    switch (setjmp(jbuf))
+    {
+    case 0:
+        static_i++;
+        if (static_i!=1)
+            CYG_TEST_FAIL("Test of value passed to longjmp() being 0");
+        else
+            longjmp(jbuf, 0);
+        break;
+    case 1:
+        static_i++;
+        CYG_TEST_PASS_FAIL( (static_i==2),
+                            "Test of value passed to longjmp() being 0");
+        break;
+    default:
+        CYG_TEST_FAIL( "Test of value passed to longjmp() being 0");
+        break;
+    } // switch
+
+
+    // Test 4
+    
+    vol_k=0;
+    static_i=0;
+    setjmp( jbuf );
+
+    static_i++;
+    setjmp( jbuf2 );
+    
+    static_i++;
+    setjmp( jbuf3 );
+
+    if (vol_k==0)
+    {
+        vol_k++;
+        longjmp( jbuf2, 1 );
+    }
+    else
+    {
+        CYG_TEST_PASS_FAIL( (vol_k==1) && (static_i==3), "Multiple setjmp's" );
+    }
+
+    // Test 5
+    
+    vol_k=3;
+    if ( (j=setjmp(jbuf)) == 0 )
+    {
+        volatile int l; // put something extra on the stack to confuse things
+
+        vol_k++;
+        l=test_fun();
+        l++;
+        vol_k=l;
+    } // if
+
+    CYG_TEST_PASS_FAIL( (j==5) && (vol_k==4), "longjmp from a function" );
+
+    // Test 6
+
+    vol_k=0;
+
+    vol_l=setjmp(jbuf);
+
+    vol_k += 3;
+
+    if (!vol_l)
+        test_fun();
+
+    vol_l=setjmp(jbuf);
+
+    vol_k += 7;
+
+    if (!vol_l)
+        test_fun();
+
+    CYG_TEST_PASS_FAIL ( (vol_k == 20), "Repeated longjmps from a function" );
+
+#else // ifndef CYGPKG_LIBC
+    CYG_TEST_PASS("Testing is not applicable to this configuration");
+#endif // ifndef CYGPKG_LIBC
+
+    CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library "
+                    "setjmp()/longjmp() functions");
+
+} // main()
+
+// EOF setjmp.c