test: Add fparseln() unit test

3 files changed, 95 insertions, 0 deletions

diff --git a/test/.gitignore b/test/.gitignore
index ab051cc..e80dcb5 100644
--- a/test/.gitignore
+++ b/test/.gitignore
@@ -2,6 +2,7 @@ closefrom
 endian
 fgetln
 funopen
+fparseln
 fpurge
 headers
 humanize
diff --git a/test/Makefile.am b/test/Makefile.am
index b92aeeb..9086128 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -17,6 +17,7 @@ check_PROGRAMS = \
 	humanize \
 	fgetln \
 	funopen \
+	fparseln \
 	fpurge \
 	proctitle-init \
 	$(nil)
@@ -26,6 +27,7 @@ check_PROGRAMS += proctitle
 endif
 
 fgetln_SOURCES = test-stream.c test-stream.h fgetln.c
+fparseln_SOURCES = test-stream.c test-stream.h fparseln.c
 
 proctitle_init_SOURCES = proctitle.c
 proctitle_init_CPPFLAGS = $(AM_CPPFLAGS) -DTEST_USE_SETPROCTITLE_INIT=1
diff --git a/test/fparseln.c b/test/fparseln.c
new file mode 100644
index 0000000..daff6bd
--- /dev/null
+++ b/test/fparseln.c
@@ -0,0 +1,92 @@
+/*
+ * Copyright © 2015 Guillem Jover <guillem@hadrons.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "test-stream.h"
+
+#define TEST_LINES 9
+static const char *data_test[] = {
+	"# This is a test\n",
+	"line 1\n",
+	"line 2 \\\n",
+	"line 3 # Comment\n",
+	"line 4 \\# Not comment \\\\\\\\\n",
+	"\n",
+	"# And a comment \\\n",
+	"line 5 \\\\\\\n",
+	"line 6 w/ escape sequences \\b, \\t, \\\\t",
+};
+
+#define EXPECT_LINES 5
+static size_t lineno_expect[] = { 2, 4, 5, 6, 9 };
+
+static const char *data_parse[] = {
+	"line 1",
+	"line 2 line 3 ",
+	"line 4 \\# Not comment \\\\\\\\",
+	"",
+	"line 5 \\\\line 6 w/ escape sequences \\b, \\t, \\\\t",
+};
+static const char *data_escape[] = {
+	"line 1",
+	"line 2 line 3 ",
+	"line 4 # Not comment \\\\",
+	"",
+	"line 5 \\line 6 w/ escape sequences b, t, \\t",
+};
+
+static void
+test_fparseln(const char **data_expect, int flags)
+{
+	FILE *fp;
+	size_t i, len, lineno = 0;
+
+	fp = pipe_feed("%s", (const void **)data_test, TEST_LINES);
+	for (i = 0; i < EXPECT_LINES; i++) {
+		char *str = fparseln(fp, &len, &lineno, NULL, flags);
+
+		assert(str);
+		assert(lineno == lineno_expect[i]);
+		assert(strcmp(str, data_expect[i]) == 0);
+
+		free(str);
+	}
+	assert(fparseln(fp, &len, NULL, NULL, 0) == NULL);
+	pipe_close(fp);
+}
+
+int
+main(int argc, char **argv)
+{
+	test_fparseln(data_parse, 0);
+	test_fparseln(data_escape, FPARSELN_UNESCALL);
+
+	return 0;
+}