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-rw-r--r--src/tests/internal/stdio.c208
1 files changed, 208 insertions, 0 deletions
diff --git a/src/tests/internal/stdio.c b/src/tests/internal/stdio.c
new file mode 100644
index 0000000..fb60cda
--- /dev/null
+++ b/src/tests/internal/stdio.c
@@ -0,0 +1,208 @@
+/* Test program for printf() in lib/stdio.c.
+
+ Attempts to test printf() functionality that is not
+ sufficiently tested elsewhere in Pintos.
+
+ This is not a test we will run on your submitted projects.
+ It is here for completeness.
+*/
+
+#undef NDEBUG
+#include <limits.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "threads/test.h"
+
+/* Number of failures so far. */
+static int failure_cnt;
+
+static void
+checkf (const char *expect, const char *format, ...)
+{
+ char output[128];
+ va_list args;
+
+ printf ("\"%s\" -> \"%s\": ", format, expect);
+
+ va_start (args, format);
+ vsnprintf (output, sizeof output, format, args);
+ va_end (args);
+
+ if (strcmp (expect, output))
+ {
+ printf ("\nFAIL: actual output \"%s\"\n", output);
+ failure_cnt++;
+ }
+ else
+ printf ("okay\n");
+}
+
+/* Test printf() implementation. */
+void
+test (void)
+{
+ printf ("Testing formats:");
+
+ /* Check that commas show up in the right places, for positive
+ numbers. */
+ checkf ("1", "%'d", 1);
+ checkf ("12", "%'d", 12);
+ checkf ("123", "%'d", 123);
+ checkf ("1,234", "%'d", 1234);
+ checkf ("12,345", "%'d", 12345);
+ checkf ("123,456", "%'ld", 123456L);
+ checkf ("1,234,567", "%'ld", 1234567L);
+ checkf ("12,345,678", "%'ld", 12345678L);
+ checkf ("123,456,789", "%'ld", 123456789L);
+ checkf ("1,234,567,890", "%'ld", 1234567890L);
+ checkf ("12,345,678,901", "%'lld", 12345678901LL);
+ checkf ("123,456,789,012", "%'lld", 123456789012LL);
+ checkf ("1,234,567,890,123", "%'lld", 1234567890123LL);
+ checkf ("12,345,678,901,234", "%'lld", 12345678901234LL);
+ checkf ("123,456,789,012,345", "%'lld", 123456789012345LL);
+ checkf ("1,234,567,890,123,456", "%'lld", 1234567890123456LL);
+ checkf ("12,345,678,901,234,567", "%'lld", 12345678901234567LL);
+ checkf ("123,456,789,012,345,678", "%'lld", 123456789012345678LL);
+ checkf ("1,234,567,890,123,456,789", "%'lld", 1234567890123456789LL);
+
+ /* Check that commas show up in the right places, for positive
+ numbers. */
+ checkf ("-1", "%'d", -1);
+ checkf ("-12", "%'d", -12);
+ checkf ("-123", "%'d", -123);
+ checkf ("-1,234", "%'d", -1234);
+ checkf ("-12,345", "%'d", -12345);
+ checkf ("-123,456", "%'ld", -123456L);
+ checkf ("-1,234,567", "%'ld", -1234567L);
+ checkf ("-12,345,678", "%'ld", -12345678L);
+ checkf ("-123,456,789", "%'ld", -123456789L);
+ checkf ("-1,234,567,890", "%'ld", -1234567890L);
+ checkf ("-12,345,678,901", "%'lld", -12345678901LL);
+ checkf ("-123,456,789,012", "%'lld", -123456789012LL);
+ checkf ("-1,234,567,890,123", "%'lld", -1234567890123LL);
+ checkf ("-12,345,678,901,234", "%'lld", -12345678901234LL);
+ checkf ("-123,456,789,012,345", "%'lld", -123456789012345LL);
+ checkf ("-1,234,567,890,123,456", "%'lld", -1234567890123456LL);
+ checkf ("-12,345,678,901,234,567", "%'lld", -12345678901234567LL);
+ checkf ("-123,456,789,012,345,678", "%'lld", -123456789012345678LL);
+ checkf ("-1,234,567,890,123,456,789", "%'lld", -1234567890123456789LL);
+
+ /* Check signed integer conversions. */
+ checkf (" 0", "%5d", 0);
+ checkf ("0 ", "%-5d", 0);
+ checkf (" +0", "%+5d", 0);
+ checkf ("+0 ", "%+-5d", 0);
+ checkf (" 0", "% 5d", 0);
+ checkf ("00000", "%05d", 0);
+ checkf (" ", "%5.0d", 0);
+ checkf (" 00", "%5.2d", 0);
+ checkf ("0", "%d", 0);
+
+ checkf (" 1", "%5d", 1);
+ checkf ("1 ", "%-5d", 1);
+ checkf (" +1", "%+5d", 1);
+ checkf ("+1 ", "%+-5d", 1);
+ checkf (" 1", "% 5d", 1);
+ checkf ("00001", "%05d", 1);
+ checkf (" 1", "%5.0d", 1);
+ checkf (" 01", "%5.2d", 1);
+ checkf ("1", "%d", 1);
+
+ checkf (" -1", "%5d", -1);
+ checkf ("-1 ", "%-5d", -1);
+ checkf (" -1", "%+5d", -1);
+ checkf ("-1 ", "%+-5d", -1);
+ checkf (" -1", "% 5d", -1);
+ checkf ("-0001", "%05d", -1);
+ checkf (" -1", "%5.0d", -1);
+ checkf (" -01", "%5.2d", -1);
+ checkf ("-1", "%d", -1);
+
+ checkf ("12345", "%5d", 12345);
+ checkf ("12345", "%-5d", 12345);
+ checkf ("+12345", "%+5d", 12345);
+ checkf ("+12345", "%+-5d", 12345);
+ checkf (" 12345", "% 5d", 12345);
+ checkf ("12345", "%05d", 12345);
+ checkf ("12345", "%5.0d", 12345);
+ checkf ("12345", "%5.2d", 12345);
+ checkf ("12345", "%d", 12345);
+
+ checkf ("123456", "%5d", 123456);
+ checkf ("123456", "%-5d", 123456);
+ checkf ("+123456", "%+5d", 123456);
+ checkf ("+123456", "%+-5d", 123456);
+ checkf (" 123456", "% 5d", 123456);
+ checkf ("123456", "%05d", 123456);
+ checkf ("123456", "%5.0d", 123456);
+ checkf ("123456", "%5.2d", 123456);
+ checkf ("123456", "%d", 123456);
+
+ /* Check unsigned integer conversions. */
+ checkf (" 0", "%5u", 0);
+ checkf (" 0", "%5o", 0);
+ checkf (" 0", "%5x", 0);
+ checkf (" 0", "%5X", 0);
+ checkf (" 0", "%#5o", 0);
+ checkf (" 0", "%#5x", 0);
+ checkf (" 0", "%#5X", 0);
+ checkf (" 00000000", "%#10.8x", 0);
+
+ checkf (" 1", "%5u", 1);
+ checkf (" 1", "%5o", 1);
+ checkf (" 1", "%5x", 1);
+ checkf (" 1", "%5X", 1);
+ checkf (" 01", "%#5o", 1);
+ checkf (" 0x1", "%#5x", 1);
+ checkf (" 0X1", "%#5X", 1);
+ checkf ("0x00000001", "%#10.8x", 1);
+
+ checkf ("123456", "%5u", 123456);
+ checkf ("361100", "%5o", 123456);
+ checkf ("1e240", "%5x", 123456);
+ checkf ("1E240", "%5X", 123456);
+ checkf ("0361100", "%#5o", 123456);
+ checkf ("0x1e240", "%#5x", 123456);
+ checkf ("0X1E240", "%#5X", 123456);
+ checkf ("0x0001e240", "%#10.8x", 123456);
+
+ /* Character and string conversions. */
+ checkf ("foobar", "%c%c%c%c%c%c", 'f', 'o', 'o', 'b', 'a', 'r');
+ checkf (" left-right ", "%6s%s%-7s", "left", "-", "right");
+ checkf ("trim", "%.4s", "trimoff");
+ checkf ("%%", "%%%%");
+
+ /* From Cristian Cadar's automatic test case generator. */
+ checkf (" abcdefgh", "%9s", "abcdefgh");
+ checkf ("36657730000", "%- o", (unsigned) 036657730000);
+ checkf ("4139757568", "%- u", (unsigned) 4139757568UL);
+ checkf ("f6bfb000", "%- x", (unsigned) 0xf6bfb000);
+ checkf ("36657730000", "%-to", (ptrdiff_t) 036657730000);
+ checkf ("4139757568", "%-tu", (ptrdiff_t) 4139757568UL);
+ checkf ("-155209728", "%-zi", (size_t) -155209728);
+ checkf ("-155209728", "%-zd", (size_t) -155209728);
+ checkf ("036657730000", "%+#o", (unsigned) 036657730000);
+ checkf ("0xf6bfb000", "%+#x", (unsigned) 0xf6bfb000);
+ checkf ("-155209728", "% zi", (size_t) -155209728);
+ checkf ("-155209728", "% zd", (size_t) -155209728);
+ checkf ("4139757568", "% tu", (ptrdiff_t) 4139757568UL);
+ checkf ("036657730000", "% #o", (unsigned) 036657730000);
+ checkf ("0xf6bfb000", "% #x", (unsigned) 0xf6bfb000);
+ checkf ("0xf6bfb000", "%# x", (unsigned) 0xf6bfb000);
+ checkf ("-155209728", "%#zd", (size_t) -155209728);
+ checkf ("-155209728", "%0zi", (size_t) -155209728);
+ checkf ("4,139,757,568", "%'tu", (ptrdiff_t) 4139757568UL);
+ checkf ("-155,209,728", "%-'d", -155209728);
+ checkf ("-155209728", "%.zi", (size_t) -155209728);
+ checkf ("-155209728", "%zi", (size_t) -155209728);
+ checkf ("-155209728", "%zd", (size_t) -155209728);
+ checkf ("-155209728", "%+zi", (size_t) -155209728);
+
+ if (failure_cnt == 0)
+ printf ("\nstdio: PASS\n");
+ else
+ printf ("\nstdio: FAIL: %d tests failed\n", failure_cnt);
+}
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