initial commit

oscar64/autotest/strcpytest.c

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+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+
+char dest[1025], src[1025];
+
+int main(void)
+{
+	strcpy(dest, "hello");
+	assert(strcmp(dest, "hello") == 0);
+
+	strcpy(dest, "");
+	assert(strcmp(dest, "") == 0);
+
+	strcpy(dest, "a");
+	assert(strcmp(dest, "a") == 0);
+
+	strcpy(dest, "abcdefghijklmnopqrstuvwxyz");
+	assert(strcmp(dest, "abcdefghijklmnopqrstuvwxyz") == 0);
+
+	// Test strcpy with long string
+	for (int i = 0; i < 1024; i++)
+	{
+		src[i] = 'a' + (i & 7);
+	}
+	src[1024] = 0;
+
+	strcpy(dest, src);
+	assert(strcmp(dest, src) == 0);
+
+	// Test strncpy with various lengths
+	strcpy(dest, "xxxxxxxxxx");
+	strncpy(dest, "hello", 5);
+	dest[5] = 0; // null terminate for comparison
+	assert(strcmp(dest, "hello") == 0);
+
+	strcpy(dest, "xxxxxxxxxx");
+	strncpy(dest, "hello", 3);
+	dest[3] = 0; // null terminate for comparison
+	assert(strcmp(dest, "hel") == 0);
+
+	strcpy(dest, "xxxxxxxxxx");
+	strncpy(dest, "hi", 5);
+	assert(dest[0] == 'h');
+	assert(dest[1] == 'i');
+	assert(dest[2] == 0);
+	assert(dest[3] == 0);
+	assert(dest[4] == 0);
+
+	// Test strncpy with exact length
+	strcpy(dest, "xxxxxxxxxx");
+	strncpy(dest, "test", 4);
+	dest[4] = 0; // null terminate for comparison
+	assert(strcmp(dest, "test") == 0);
+
+	// Test strncpy with zero length
+	strcpy(dest, "original");
+	strncpy(dest, "new", 0);
+	assert(strcmp(dest, "original") == 0);
+
+	// Test strncpy copying longer than source
+	strcpy(dest, "xxxxxxxxxx");
+	strncpy(dest, "ab", 8);
+	assert(dest[0] == 'a');
+	assert(dest[1] == 'b');
+	assert(dest[2] == 0);
+	assert(dest[3] == 0);
+	assert(dest[4] == 0);
+	assert(dest[5] == 0);
+	assert(dest[6] == 0);
+	assert(dest[7] == 0);
+
+	// Test strncpy with large string
+	strcpy(dest, "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
+	strncpy(dest, src, 1000);
+	dest[1000] = 0; // ensure null termination
+	src[1000] = 0;	// truncate source for comparison
+	assert(strcmp(dest, src) == 0);
+
+	return 0;
+}