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-rw-r--r--strnmove.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/strnmove.c b/strnmove.c
index d88c662..4bbcaa0 100644
--- a/strnmove.c
+++ b/strnmove.c
@@ -12,6 +12,80 @@ extern inline char *libsimple_strnmove(char *, const char *, size_t);
int
main(void)
{
+ char buf[1024];
+
+ memset(buf, 'x', sizeof(buf));
+ buf[sizeof(buf) - 1] = '\0';
+ strcpy(buf, "hello world");
+ assert(libsimple_strnmove(&buf[3], buf, SIZE_MAX) == &buf[3]);
+ assert(!strcmp(buf, "helhello world"));
+
+ memset(buf, 'x', sizeof(buf));
+ buf[sizeof(buf) - 1] = '\0';
+ strcpy(buf, "hello world");
+ assert(libsimple_strnmove(buf, &buf[3], SIZE_MAX) == buf);
+ assert(!strcmp(buf, "lo world"));
+
+ memset(buf, 'x', sizeof(buf));
+ buf[sizeof(buf) - 1] = '\0';
+ strcpy(buf, "hello world");
+ assert(libsimple_strnmove(buf, buf, SIZE_MAX) == buf);
+ assert(!strcmp(buf, "hello world"));
+
+ memset(buf, 'x', sizeof(buf));
+ buf[sizeof(buf) - 1] = '\0';
+ strcpy(buf, "hello world");
+ assert(libsimple_strnmove(&buf[3], buf, 12) == &buf[3]);
+ assert(!strcmp(buf, "helhello world"));
+
+ memset(buf, 'x', sizeof(buf));
+ buf[sizeof(buf) - 1] = '\0';
+ strcpy(buf, "hello world");
+ assert(libsimple_strnmove(buf, &buf[3], 9) == buf);
+ assert(!strcmp(buf, "lo world"));
+
+ memset(buf, 'x', sizeof(buf));
+ buf[sizeof(buf) - 1] = '\0';
+ strcpy(buf, "hello world");
+ assert(libsimple_strnmove(buf, buf, 12) == buf);
+ assert(!strcmp(buf, "hello world"));
+
+ memset(buf, 'x', sizeof(buf));
+ buf[sizeof(buf) - 1] = '\0';
+ strcpy(buf, "hello world");
+ assert(libsimple_strnmove(&buf[3], buf, 11) == &buf[3]);
+ assert(!strncmp(buf, "helhello worldx", 15));
+
+ memset(buf, 'x', sizeof(buf));
+ buf[sizeof(buf) - 1] = '\0';
+ strcpy(buf, "hello world");
+ assert(libsimple_strnmove(buf, &buf[3], 8) == buf);
+ assert(!strcmp(buf, "lo worldrld"));
+
+ memset(buf, 'x', sizeof(buf));
+ buf[sizeof(buf) - 1] = '\0';
+ strcpy(buf, "hello world");
+ assert(libsimple_strnmove(buf, buf, 11) == buf);
+ assert(!strcmp(buf, "hello world"));
+
+ memset(buf, 'x', sizeof(buf));
+ buf[sizeof(buf) - 1] = '\0';
+ strcpy(buf, "hello world");
+ assert(libsimple_strnmove(&buf[3], buf, 2) == &buf[3]);
+ assert(!strcmp(buf, "helhe world"));
+
+ memset(buf, 'x', sizeof(buf));
+ buf[sizeof(buf) - 1] = '\0';
+ strcpy(buf, "hello world");
+ assert(libsimple_strnmove(buf, &buf[3], 2) == buf);
+ assert(!strcmp(buf, "lollo world"));
+
+ memset(buf, 'x', sizeof(buf));
+ buf[sizeof(buf) - 1] = '\0';
+ strcpy(buf, "hello world");
+ assert(libsimple_strnmove(buf, buf, 2) == buf);
+ assert(!strcmp(buf, "hello world"));
+
return 0;
}