1 files changed, 100 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/c_runtime/rand_srand/test1/test1.c b/src/pal/tests/palsuite/c_runtime/rand_srand/test1/test1.c
new file mode 100644
index 0000000000..34154cb6d2
--- /dev/null
+++ b/src/pal/tests/palsuite/c_runtime/rand_srand/test1/test1.c
@@ -0,0 +1,100 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+/*=============================================================================
+**
+** Source: test1.c
+**
+** Purpose: Test to ensure that srand provide random
+**          number to rand. Also make sure that rand result from a 
+**          srand with seed 1 and no call to srand are the same.
+**
+** Dependencies: PAL_Initialize
+**               PAL_Terminate
+**				 Fail
+**               srand()
+** 
+
+**
+**===========================================================================*/
+
+#include <palsuite.h>
+
+
+int __cdecl main(int argc, char **argv)
+{   
+    int RandNumber[10];
+    int TempRandNumber;
+    int i;
+    int SRAND_SEED;
+    int SRAND_REINIT  =  1;
+
+    /*
+     * Initialize the PAL and return FAILURE if this fails
+     */
+
+    if (PAL_Initialize(argc, argv))
+    {
+       return FAIL;
+    }
+    
+    SRAND_SEED = time(NULL);
+    
+    /* does not initialize srand and call rand. */
+    for (i=0; i<10; i++)
+    {
+        /* keep the value in a array            */
+        RandNumber[i]=rand();
+        if (RandNumber[i] < 0 || RandNumber[i] > RAND_MAX)
+        {
+            Fail("1) ERROR: random generated an invalid value: %d", RandNumber[i]);
+        }
+    }
+
+
+    /*   initialize random generator            */
+    srand(SRAND_SEED);
+
+
+    /* choose 10 numbers with a different seed. 
+       the numbers should be different than
+       those the previously generated one       */
+    for(i = 0; i < 10; i++)
+    {
+        TempRandNumber=rand();      
+        if (TempRandNumber < 0 || TempRandNumber > RAND_MAX)
+        {
+            Fail("2) ERROR: random generated an invalid value: %d", TempRandNumber);
+        }
+    }
+    
+
+
+    /* renitialize the srand with 1 */
+    srand(SRAND_REINIT);
+
+
+
+    /* choose 10 numbers with seed 1,
+       the number should be the same as those we kept in the array. */
+    for( i = 0;   i < 10;i++ )
+    {
+        /* pick the random number*/
+        TempRandNumber=rand();
+        /* test if it is the same number generated in the first sequences*/
+        if(RandNumber[i]!=TempRandNumber)
+        {
+            Fail ("ERROR: rand should return the same value when srand "
+                  "is initialized with 1 or not initialized at all");
+        } 
+        if (TempRandNumber < 0 || TempRandNumber > RAND_MAX)
+        {
+            Fail("3) ERROR: random generated an invalid value: %d", TempRandNumber);
+        }
+    }
+
+
+    PAL_Terminate();
+    return PASS;
+}