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-rw-r--r--stdio-common/tst-swprintf.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/stdio-common/tst-swprintf.c b/stdio-common/tst-swprintf.c
new file mode 100644
index 0000000000..a7e232dd4f
--- /dev/null
+++ b/stdio-common/tst-swprintf.c
@@ -0,0 +1,56 @@
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <wchar.h>
+
+/* This is the relevant piece from the charmap:
+<UFF61> /x8e/xa1 HALFWIDTH IDEOGRAPHIC FULL STOP
+<UFF62> /x8e/xa2 HALFWIDTH LEFT CORNER BRACKET
+<UFF63> /x8e/xa3 HALFWIDTH RIGHT CORNER BRACKET
+<UFF64> /x8e/xa4 HALFWIDTH IDEOGRAPHIC COMMA
+ */
+
+const char input[] = "\x8e\xa1g\x8e\xa2h\x8e\xa3i\x8e\xa4j";
+
+int
+main (void)
+{
+ wchar_t buf[1000];
+#define nbuf (sizeof (buf) / sizeof (buf[0]))
+ int result = 0;
+ ssize_t n;
+
+ if (setlocale (LC_ALL, "ja_JP.EUC-JP") == NULL)
+ {
+ puts ("cannot set locale");
+ exit (1);
+ }
+
+#define CHECK(fmt, nexp, exp) \
+ n = swprintf (buf, nbuf, fmt, input); \
+ if (n != nexp) \
+ { \
+ printf ("swprintf (.., .., L\"%ls\", \"%ls\") return %d, not %d\n", \
+ fmt, input, (int) n, (int) nexp); \
+ result = 1; \
+ } \
+ else if (wcscmp (buf, exp) != 0) \
+ { \
+ printf ("\
+swprintf (.., .., L\"%ls\", \"%ls\") produced \"%ls\", not \"%ls\"\n", \
+ fmt, input, buf, exp ); \
+ result = 1; \
+ }
+
+ CHECK (L"[%-6.0s]", 8, L"[ ]");
+ CHECK (L"[%-6.1s]", 8, L"[\xff61 ]");
+ CHECK (L"[%-6.2s]", 8, L"[\xff61g ]");
+ CHECK (L"[%-6.3s]", 8, L"[\xff61g\xff62 ]");
+ CHECK (L"[%-6.4s]", 8, L"[\xff61g\xff62h ]");
+ CHECK (L"[%-6.5s]", 8, L"[\xff61g\xff62h\xff63 ]");
+ CHECK (L"[%-6.6s]", 8, L"[\xff61g\xff62h\xff63i]");
+ CHECK (L"[%-6.7s]", 9, L"[\xff61g\xff62h\xff63i\xff64]");
+ CHECK (L"[%-6.8s]", 10, L"[\xff61g\xff62h\xff63i\xff64j]");
+
+ return result;
+}