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authorJiyoung Yun <jy910.yun@samsung.com>2016-12-27 07:46:08 (GMT)
committerJiyoung Yun <jy910.yun@samsung.com>2016-12-27 07:46:08 (GMT)
commitdb20f3f1bb8595633a7e16c8900fd401a453a6b5 (patch)
treee5435159cd1bf0519276363a6fe1663d1721bed3 /src/pal/tests/palsuite/c_runtime/memmove/test1/test1.cpp
parent4b4aad7217d3292650e77eec2cf4c198ea9c3b4b (diff)
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Imported Upstream version 1.0.0.9127upstream/1.0.0.9127
Diffstat (limited to 'src/pal/tests/palsuite/c_runtime/memmove/test1/test1.cpp')
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diff --git a/src/pal/tests/palsuite/c_runtime/memmove/test1/test1.cpp b/src/pal/tests/palsuite/c_runtime/memmove/test1/test1.cpp
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+// 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 that memmove correctly copies text from one buffer
+** to another even when the buffers overlap.
+**
+**
+**==========================================================================*/
+
+#include <palsuite.h>
+
+int __cdecl main(int argc, char **argv)
+{
+ char testA[11] = "abcdefghij";
+ char testB[15] = "aabbccddeeffgg";
+ char testC[15] = "aabbccddeeffgg";
+ char testD[15] = "aabbccddeeffgg";
+ char insString[4] = "zzz";
+ char *retVal;
+
+ if (PAL_Initialize(argc, argv))
+ {
+ return FAIL;
+ }
+
+ /* move a string onto itself */
+ retVal = (char *)memmove(testA + 2, testA, 8);
+ if (retVal != testA + 2)
+ {
+ Fail("The return value should have been the value of the destination"
+ "pointer, but wasn't\n");
+ }
+
+ /*Check the most likely error*/
+ if (memcmp(testA, "ababababab", 11) == 0)
+ {
+ Fail("memmove should have saved the characters in the region of"
+ " overlap between source and destination, but didn't.\n");
+ }
+
+ if (memcmp(testA, "ababcdefgh", 11) != 0)
+ {
+ /* not sure what exactly went wrong. */
+ Fail("memmove was called on a region containing the characters"
+ " \"abcdefghij\". It was to move the first 8 positions to"
+ " the last 8 positions, giving the result \"ababcdefgh\". "
+ " Instead, it gave the result \"%s\".\n", testA);
+ }
+
+ /* move a string to the front of testB */
+ retVal = (char *)memmove(testB, insString, 3);
+ if(retVal != testB)
+ {
+ Fail("memmove: The function did not return the correct "
+ "string.\n");
+ }
+
+ if(memcmp(testB, "zzzbccddeeffgg",15) != 0)
+ {
+ Fail("memmove: The function failed to move the string "
+ "correctly.\n");
+ }
+
+
+ /* move a string to the middle of testC */
+ retVal = (char*)memmove(testC+5, insString, 3);
+ if(retVal != testC+5)
+ {
+ Fail("memmove: The function did not return the correct "
+ "string.\n");
+ }
+
+ if(memcmp(testC, "aabbczzzeeffgg",15) != 0)
+ {
+ Fail("memmove: The function failed to move the string "
+ "correctly.\n");
+ }
+
+
+ /* move a string to the end of testD */
+ retVal = (char*)memmove(testD+11, insString, 3);
+ if(retVal != testD+11)
+ {
+ Fail("memmove: The function did not return the correct "
+ "string.\n");
+ }
+
+ if(memcmp(testD, "aabbccddeefzzz",15) != 0)
+ {
+ Fail("memmove: The function failed to move the string "
+ "correctly.\n");
+ }
+
+ PAL_Terminate();
+ return PASS;
+
+}
+
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