Adds conformance tests for fscanf

Adds a set of conformance testcases for fscanf Signed-off-by: Ritul Jasuja <[email protected]>
Rjasuja · Feb 11, 2019 · ce71c04 · ce71c04
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diff --git a/testcases/open_posix_testsuite/conformance/interfaces/fscanf/10-1.c b/testcases/open_posix_testsuite/conformance/interfaces/fscanf/10-1.c
@@ -0,0 +1,98 @@
+/*
+ * This file is licensed under the GPL license.  For the full content
+ * of this license, see the COPYING file at the top level of this
+ * source tree.
+ */
+
+/*
+ * assertion:
+ *	When the length of the input item ( i.e. the longest sequence of input
+ *	bytes which is an initial subsequence of a matching sequence) is 0
+ *	(when EOF,encoding error or read error has not occurred), the execution
+ *	of the conversion specification fails and it is a matching failure.
+ *
+ * method:
+ *	-open file in write mode
+ *	-write 1 sample string into a file
+ *	-close the file
+ *	-open the same file in read mode
+ *	-read data from the file using fscanf() and "%d" conversion specifier
+ *	-check the return value of fscanf, errno and feof() return value
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <limits.h>
+#include "posixtest.h"
+
+#define TNAME "fscanf/10-1.c"
+#define FNAME "in_file"
+#define STR_CONST "POSIX CONFORMANCE TEST"
+
+static void remove_file(FILE *in_fp)
+{
+	errno = 0;
+	if (in_fp != NULL) {
+		if (fclose(in_fp) == EOF) {
+			printf(TNAME " Error at fclose(), errno = %d\n", errno);
+			unlink(FNAME);
+			exit(PTS_UNRESOLVED);
+		}
+	}
+	unlink(FNAME);
+}
+
+int main(void)
+{
+	FILE *in_fp = NULL;
+	int sample_value = 0;
+	int ret = 0;
+
+	errno = 0;
+
+	in_fp = fopen(FNAME, "w");
+	if (in_fp == NULL) {
+		printf(TNAME " Error in fopen(), errno: %d\n", errno);
+		exit(PTS_UNRESOLVED);
+	}
+
+	ret = fprintf(in_fp, "%s", STR_CONST);
+	if (ret < 0) {
+		printf(TNAME " Error in fprintf()\n");
+		remove_file(in_fp);
+		exit(PTS_UNRESOLVED);
+	}
+
+	errno = 0;
+	if (fclose(in_fp) == EOF) {
+		printf(TNAME " Error at fclose(), errno = %d\n", errno);
+		unlink(FNAME);
+		exit(PTS_UNRESOLVED);
+	}
+
+	errno = 0;
+	in_fp = fopen(FNAME, "r");
+	if (in_fp == NULL) {
+		printf(TNAME " Error in fopen(), errno = %d\n", errno);
+		remove_file(in_fp);
+		exit(PTS_UNRESOLVED);
+	}
+
+	errno = 0;
+	ret = fscanf(in_fp, "%d", &sample_value);
+	if (ret == 0 && errno == 0 && feof(in_fp) == 0) {
+		printf(TNAME " Test Passed\n");
+		remove_file(in_fp);
+		exit(PTS_PASS);
+	} else {
+		printf(TNAME " Test Failed\n");
+		printf(TNAME
+			" Expected values: ret = 0, errno = 0, feof(in_fp) = 0\n\t\t\t"
+			"Obtained values: ret = %d, errno = %d, feof(in_fp) = %d\n",
+			ret, errno, feof(in_fp));
+		remove_file(in_fp);
+		exit(PTS_FAIL);
+	}
+}
diff --git a/testcases/open_posix_testsuite/conformance/interfaces/fscanf/12-1.c b/testcases/open_posix_testsuite/conformance/interfaces/fscanf/12-1.c
@@ -0,0 +1,107 @@
+/*
+ * This file is licensed under the GPL license. For the full content
+ * of this license, see the COPYING file at the top level of this
+ * source tree.
+ */
+
+/*
+ * assertion:
+ *
+ *	When assignment suppression is indicated by "*", the result of the
+ *	conversion introduced by "%" is not stored in any object.
+ *
+ * method:
+ *	-open file in write mode
+ *	-write a string and an integer into the file
+ *	-close the file
+ *	-open the same file in read mode
+ *	-read the data from the file using fscanf(),
+ *	 but integer with "*" assignment suppression
+ *	-check the integer value
+ */
+
+#define _XOPEN_SOURCE 700
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "posixtest.h"
+
+#include "../testfrmw/testfrmw.h"
+#include "../testfrmw/testfrmw.c"
+
+#define TNAME "fscanf/12-1.c"
+#define FNAME "in_file"
+#define INT_CONST 10
+#define STR_CONST "JOHN"
+
+static void remove_file(FILE *in_fp)
+{
+	errno = 0;
+	if (in_fp != NULL)
+		if (fclose(in_fp) != 0) {
+			output(TNAME " Error in closing the file, errno = %d\n",
+					errno);
+			unlink(FNAME);
+			exit(PTS_UNRESOLVED);
+		}
+	unlink(FNAME);
+}
+
+int main(void)
+{
+	char sample_str[sizeof(STR_CONST)];
+	int sample_int = 0;
+	FILE *in_fp;
+	int ret;
+
+	errno = 0;
+
+	in_fp = fopen(FNAME, "w");
+	if (in_fp == NULL) {
+		output(TNAME " Error in opening the file, errno = %d\n", errno);
+		exit(PTS_UNRESOLVED);
+	}
+
+	ret = fprintf(in_fp, "%s %d", STR_CONST, INT_CONST);
+	if (ret < 0) {
+		output(TNAME " Error in writing into the file\n");
+		remove_file(in_fp);
+		exit(PTS_UNRESOLVED);
+	}
+
+	errno = 0;
+	ret = fclose(in_fp);
+	if (ret != 0) {
+		output(TNAME " Error in closing the file, errno = %d\n", errno);
+		exit(PTS_UNRESOLVED);
+	}
+
+	errno = 0;
+	in_fp = fopen(FNAME, "r");
+	if (in_fp == NULL) {
+		output(TNAME " Error in opening the file, errno = %d\n", errno);
+		remove_file(in_fp);
+		exit(PTS_UNRESOLVED);
+	}
+
+	errno = 0;
+	ret = fscanf(in_fp, "%s %*d", sample_str, &sample_int);
+	if (ret != 1) {
+		output(TNAME
+				" Unexpected return from fscanf. Expected 1 got %d, errno = %d\n",
+				ret, errno);
+		remove_file(in_fp);
+		exit(PTS_FAIL);
+	}
+
+	remove_file(in_fp);
+
+	if (sample_int != INT_CONST) {
+		output(TNAME " Test Passed\n");
+		exit(PTS_PASS);
+	} else {
+		output(TNAME " Test Failed\n");
+		exit(PTS_FAIL);
+	}
+}
diff --git a/testcases/open_posix_testsuite/conformance/interfaces/fscanf/13-1.c b/testcases/open_posix_testsuite/conformance/interfaces/fscanf/13-1.c
@@ -0,0 +1,107 @@
+/*
+ * This file is licensed under the GPL license. For the full content
+ * of this license, see the COPYING file at the top level of this
+ * source tree.
+ */
+
+/*
+ * assertion:
+ *
+ *	When assignment suppression is indicated by "*", the result of the
+ *	conversion introduced by "%n$" is not stored in any object.
+ *
+ * method:
+ *	-open file in write mode
+ *	-write a string and an integer into the file
+ *	-close the file
+ *	-open the same file in read mode
+ *	-read the data from the file using fscanf(),
+ *	but integer with "*" assignment suppression
+ *	-check the integer value
+ */
+
+#define _XOPEN_SOURCE 700
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "posixtest.h"
+
+#include "../testfrmw/testfrmw.h"
+#include "../testfrmw/testfrmw.c"
+
+#define TNAME "fscanf/13-1.c"
+#define FNAME "in_file"
+#define INT_CONST 10
+#define STR_CONST "JOHN"
+
+static void remove_file(FILE *in_fp)
+{
+	errno = 0;
+	if (in_fp != NULL)
+		if (fclose(in_fp) != 0) {
+			output(TNAME " Error in closing the file, errno = %d\n",
+					errno);
+			unlink(FNAME);
+			exit(PTS_UNRESOLVED);
+		}
+	unlink(FNAME);
+}
+
+int main(void)
+{
+	char sample_str[sizeof(STR_CONST)];
+	int sample_int = 0;
+	FILE *in_fp;
+	int ret;
+
+	errno = 0;
+
+	in_fp = fopen(FNAME, "w");
+	if (in_fp == NULL) {
+		output(TNAME " Error in opening the file, errno = %d\n", errno);
+		exit(PTS_UNRESOLVED);
+	}
+
+	ret = fprintf(in_fp, "%s %d", STR_CONST, INT_CONST);
+	if (ret < 0) {
+		output(TNAME " Error in writing into the file\n");
+		remove_file(in_fp);
+		exit(PTS_UNRESOLVED);
+	}
+
+	errno = 0;
+	ret = fclose(in_fp);
+	if (ret != 0) {
+		output(TNAME " Error in closing the file, errno = %d\n", errno);
+		exit(PTS_UNRESOLVED);
+	}
+
+	errno = 0;
+	in_fp = fopen(FNAME, "r");
+	if (in_fp == NULL) {
+		output(TNAME " Error in opening the file, errno = %d\n", errno);
+		remove_file(in_fp);
+		exit(PTS_UNRESOLVED);
+	}
+
+	errno = 0;
+	ret = fscanf(in_fp, "%1$s %2$*d", sample_str, &sample_int);
+	if (ret != 1) {
+		output(TNAME
+				" Unexpected return from fscanf. Expected 1 got %d, errno = %d\n",
+				ret, errno);
+		remove_file(in_fp);
+		exit(PTS_FAIL);
+	}
+
+	remove_file(in_fp);
+
+	if (sample_int != INT_CONST) {
+		output(TNAME " Test Passed\n");
+		exit(PTS_PASS);
+	} else {
+		output(TNAME " Test Failed\n");
+		exit(PTS_FAIL);
+	}
+}