From 98193b2eeb8f6aead2d3bd352875b1090c073d90 Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jackpot51@gmail.com>
Date: Mon, 27 Feb 2023 20:06:49 -0700
Subject: [PATCH] Add tests for wprintf
---
tests/Makefile | 1 +
tests/wchar/wprintf.c | 93 +++++++++++++++++++++++++++++++++++++++++++
2 files changed, 94 insertions(+)
create mode 100644 tests/wchar/wprintf.c
diff --git a/tests/Makefile b/tests/Makefile
index e3295ba65..d04786972 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -108,6 +108,7 @@ EXPECT_NAMES=\
wchar/mbsrtowcs \
wchar/printf-on-wchars \
wchar/putwchar \
+ wchar/wprintf \
wchar/wcrtomb \
wchar/wcscspn \
wchar/wcsrchr \
diff --git a/tests/wchar/wprintf.c b/tests/wchar/wprintf.c
new file mode 100644
index 000000000..c635fff66
--- /dev/null
+++ b/tests/wchar/wprintf.c
@@ -0,0 +1,93 @@
+#include <stdio.h>
+#include <stdlib.h> // free()
+#include <wchar.h>
+#include <math.h> // INFINITY, NAN constants
+
+int main(void) {
+ int sofar = 0;
+ int len = wprintf(
+ L"percent: %%\nwstring: %ls\nchar: %lc\nint: %d\n%nuint: %u\nhex: %x\nHEX: %X\nstring: %s\n",
+ L"String",
+ L'c',
+ -16,
+ &sofar,
+ 32,
+ 0xbeef,
+ 0xC0FFEE,
+ "end"
+ );
+ wprintf(L"%%n returned %d, total len of write: %d\n", sofar, len);
+
+ wprintf(L"\nPadding madness:\n");
+ wprintf(L"% -5.3d %+3d\n", 1, 2);
+ wprintf(L"%4c\n", 'c');
+ wprintf(L"%#10.7x\n", 0xFF);
+ wprintf(L"%#4.3o\n", 01);
+ wprintf(L"%#x %#x\n", 0, 1);
+ wprintf(L"%.0d %.0d\n", 0, 1);
+ wprintf(L"(%05d) (%5d)\n", 123, 123);
+ wprintf(L"(%05d) (%5d)\n", -123, -123);
+ wprintf(L"(%13.0d)\n", 0);
+ wprintf(L"%p\n", (void*) 0xABCDEF);
+ wprintf(L"%p\n", (void*) 0);
+
+ wprintf(L"\nPositional madness:\n");
+ wprintf(L"%3$d %2$d %1$d\n", 2, 3, 4);
+ wprintf(L"%.*3$d\n", 2, 0, 5);
+ wprintf(L"|%-*6$.*5$s|%-*6$.*5$s|%*6$.*5$s|%*6$.*5$s|\n", "Fizz", "Buzz", "FizzBuzz", "TotalBuzz", 3, 8);
+ wprintf(L"int: %*6$d double: %lf %lf %lf %lf\n", 5, 0.1, 0.2, 0.3, 0.4, 10);
+ wprintf(L"%1$d %1$lf\n", 5, 0.1);
+ wprintf(L"%1$d %lf\n", 5, 0.2);
+ //wprintf(L"int: %*6$d no info on middle types\n", 5, 0.1, 0.2, 0.3, 0.4, 10);
+
+ wprintf(L"\nFloat madness:\n");
+ wprintf(L"%20e\n", 123.456789123);
+ wprintf(L"%20E\n", 0.00001);
+ wprintf(L"%20f\n", 123.456789123);
+ wprintf(L"%20F\n", 0.00001);
+ wprintf(L"%20e\n", -123.456789123);
+ wprintf(L"%020e\n", -123.456789123);
+ wprintf(L"%%.5g: %.5g\n", -123.456789123);
+ wprintf(L"%%.5f: %.5f\n", -123.456789123);
+ wprintf(L"%%.5e: %.5e\n", -123.456789123);
+ wprintf(L"%%.*g: %.*g\n", 2, -123.456789123);
+ wprintf(L"%%.*f: %.*f\n", 2, -123.456789123);
+ wprintf(L"%%.*e: %.*e\n", 2, -123.456789123);
+ wprintf(L"%%.*2$g: %.*2$g\n", -123.456789123, 5);
+ wprintf(L"%%.*2$f: %.*2$f\n", -123.456789123, 5);
+ wprintf(L"%%.*2$e: %.*2$e\n", -123.456789123, 5);
+
+ wprintf(L"%g\n", 100000.0);
+ wprintf(L"%g\n", 1000000.0);
+ wprintf(L"%e\n", 1000000.0);
+ wprintf(L"%G\n", 0.0001);
+ wprintf(L"%G\n", 0.00001);
+ wprintf(L"%E\n", 0.00001);
+
+ double nonfinites[] = {INFINITY, -INFINITY, NAN, -NAN};
+ wchar_t *float_formats[] = {L"%e", L"%E", L"%f", L"%F", L"%g", L"%G"};
+ wprintf(L"\nNon-finite float madness:\n");
+ for (size_t i = 0; i < sizeof(float_formats)/sizeof(char *); i++) {
+ wprintf(L"%ls:", float_formats[i]);
+ for (size_t j = 0; j < sizeof(nonfinites)/sizeof(double); j++) {
+ wprintf(L" ");
+ wprintf(float_formats[i], nonfinites[j]);
+ }
+ wprintf(L"\n");
+ }
+
+ wprintf(L"Things that have been buggy\n");
+ wprintf(L"%s%0*lu\n", "+", 2, 5l); // this format string was found in GDB
+
+ wprintf(L"Testing asprintf...\n");
+ char *s = NULL;
+ int res = asprintf(&s, "test string");
+ wprintf(L"printed: %s, value: %d\n", s, res);
+ free(s);
+ res = asprintf(&s, "test string %d", 2);
+ wprintf(L"printed: %s, value: %d\n", s, res);
+ free(s);
+ res = asprintf(&s, "test %s %d", "string", 2);
+ wprintf(L"printed: %s, value: %d\n", s, res);
+ free(s);
+}
--
GitLab