From 3f6966e7de746d7e9ff899f76e02a7af5a5e722e Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Sun, 21 Oct 2012 23:32:05 -0400
Subject: add several tests that were lying around in my tree, and new stat()
 tests

---
 fwscanf.c | 111 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 fwscanf.c

(limited to 'fwscanf.c')

diff --git a/fwscanf.c b/fwscanf.c
new file mode 100644
index 0000000..52d12d2
--- /dev/null
+++ b/fwscanf.c
@@ -0,0 +1,111 @@
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <limits.h>
+#include <unistd.h>
+#include <wchar.h>
+
+#define TEST(r, f, x, m) ( \
+((r) = (f)) == (x) || \
+(printf(__FILE__ ":%d: %s failed (" m ")\n", __LINE__, #f, r, x, strerror(errno)), err++, 0) )
+
+#define TEST_S(s, x, m) ( \
+!strcmp((s),(x)) || \
+(printf(__FILE__ ":%d: [%s] != [%s] (%s)\n", __LINE__, s, x, m), err++, 0) )
+
+static FILE *writetemp(const char *data)
+{
+	FILE *f = tmpfile();
+	if (!f) return 0;
+	if (!fwrite(data, strlen(data), 1, f)) {
+		fclose(f);
+		return 0;
+	}
+	rewind(f);
+	return f;
+}
+
+int test_fwscanf(void)
+{
+	int i, x, y;
+	double u, v;
+	int err=0;
+	char a[100], b[100], *s;
+	FILE *f;
+	int p[2];
+
+	TEST(i, !!(f=writetemp("      42")), 1, "failed to make temp file");
+	if (f) {
+		x=y=-1;
+		TEST(i, fwscanf(f, L" %n%*d%n", &x, &y), 0, "%d != %d");
+		TEST(i, x, 6, "%d != %d");
+		TEST(i, y, 8, "%d != %d");
+		TEST(i, ftell(f), 8, "%d != %d");
+		TEST(i, !!feof(f), 1, "%d != %d");
+		fclose(f);
+	}
+
+	TEST(i, !!(f=writetemp("[abc123]....x")), 1, "failed to make temp file");
+	if (f) {
+		x=y=-1;
+		TEST(i, fwscanf(f, L"%10[^]]%n%10[].]%n", a, &x, b, &y), 2, "%d != %d");
+		TEST_S(a, "[abc123", "wrong result for %[^]]");
+		TEST_S(b, "]....", "wrong result for %[].]");
+		TEST(i, x, 7, "%d != %d");
+		TEST(i, y, 12, "%d != %d");
+		TEST(i, ftell(f), 12, "%d != %d");
+		TEST(i, feof(f), 0, "%d != %d");
+		TEST(i, fgetc(f), 'x', "%d != %d");
+		fclose(f);
+	}
+
+	TEST(i, !!(f=writetemp("0x1p 12")), 1, "failed to make temp file");
+	if (f) {
+		x=y=-1;
+		u=-1;
+		TEST(i, fwscanf(f, L"%lf%n %d", &u, &x, &y), 0, "%d != %d");
+		TEST(u, u, -1.0, "%g != %g");
+		TEST(i, x, -1, "%d != %d");
+		TEST(i, y, -1, "%d != %d");
+		TEST(i, ftell(f), 4, "%d != %d");
+		TEST(i, feof(f), 0, "%d != %d");
+		TEST(i, fgetc(f), ' ', "%d != %d");
+		rewind(f);
+		TEST(i, fgetc(f), '0', "%d != %d");
+		TEST(i, fgetc(f), 'x', "%d != %d");
+		TEST(i, fwscanf(f, L"%lf%n%c %d", &u, &x, a, &y), 3, "%d != %d");
+		TEST(u, u, 1.0, "%g != %g");
+		TEST(i, x, 1, "%d != %d");
+		TEST(i, a[0], 'p', "%d != %d");
+		TEST(i, y, 12, "%d != %d");
+		TEST(i, ftell(f), 7, "%d != %d");
+		TEST(i, !!feof(f), 1, "%d != %d");
+		fclose(f);
+	}
+
+	TEST(i, !!(f=writetemp("0x.1p4    012")), 1, "failed to make temp file");
+	if (f) {
+		x=y=-1;
+		u=-1;
+		TEST(i, fwscanf(f, L"%lf%n %i", &u, &x, &y), 2, "%d != %d");
+		TEST(u, u, 1.0, "%g != %g");
+		TEST(i, x, 6, "%d != %d");
+		TEST(i, y, 10, "%d != %d");
+		TEST(i, ftell(f), 13, "%d != %d");
+		TEST(i, !!feof(f), 1, "%d != %d");
+		fclose(f);
+	}
+
+	TEST(i, !!(f=writetemp("0xx")), 1, "failed to make temp file");
+	if (f) {
+		x=y=-1;
+		TEST(i, fwscanf(f, L"%x%n", &x, &y), 0, "%d != %d");
+		TEST(i, x, -1, "%d != %d");
+		TEST(i, y, -1, "%d != %d");
+		TEST(i, ftell(f), 2, "%d != %d");
+		TEST(i, feof(f), 0, "%d != %d");
+		fclose(f);
+	}
+
+	return err;
+}
-- 
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