Add lz4 test for bsdcat.

 - add test utility function canLz4()
 - fix test_write_filter_lz4 to use canLz4()

5 files changed, 64 insertions, 0 deletions

diff --git a/cat/test/CMakeLists.txt b/cat/test/CMakeLists.txt
index f86c7bf3..86ae6927 100644
--- a/cat/test/CMakeLists.txt
+++ b/cat/test/CMakeLists.txt
@@ -10,6 +10,7 @@ IF(ENABLE_CAT AND ENABLE_TEST)
     test.h
     test_0.c
     test_empty_gz.c
+    test_empty_lz4.c
     test_empty_xz.c
     test_error.c
     test_error_mixed.c
diff --git a/cat/test/main.c b/cat/test/main.c
index 649e0099..22d211f9 100644
--- a/cat/test/main.c
+++ b/cat/test/main.c
@@ -1932,6 +1932,21 @@ canLrzip(void)
 }
 
 /*
+ * Can this platform run the lz4 program?
+ */
+int
+canLz4(void)
+{
+	static int tested = 0, value = 0;
+	if (!tested) {
+		tested = 1;
+		if (systemf("lz4 -V %s", redirectArgs) == 0)
+			value = 1;
+	}
+	return (value);
+}
+
+/*
  * Can this platform run the lzip program?
  */
 int
diff --git a/cat/test/test.h b/cat/test/test.h
index fa3e9c57..68473851 100644
--- a/cat/test/test.h
+++ b/cat/test/test.h
@@ -281,6 +281,9 @@ int canGzip(void);
 /* Return true if this platform can run the "lrzip" program. */
 int canLrzip(void);
 
+/* Return true if this platform can run the "lz4" program. */
+int canLz4(void);
+
 /* Return true if this platform can run the "lzip" program. */
 int canLzip(void);
 
diff --git a/cat/test/test_empty.lz4.uu b/cat/test/test_empty.lz4.uu
new file mode 100644
index 00000000..8491afbd
--- /dev/null
+++ b/cat/test/test_empty.lz4.uu
@@ -0,0 +1,4 @@
+begin 644 test_empty.lz4
+/!")-&&1PN0`````%7<P"
+`
+end
diff --git a/cat/test/test_empty_lz4.c b/cat/test/test_empty_lz4.c
new file mode 100644
index 00000000..9d98e9cf
--- /dev/null
+++ b/cat/test/test_empty_lz4.c
@@ -0,0 +1,41 @@
+/*-
+ * Copyright (c) 2014 Sebastian Freundt
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``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(S) 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 "test.h"
+
+DEFINE_TEST(test_empty_lz4)
+{
+	const char *reffile = "test_empty.lz4";
+	int f;
+
+	extract_reference_file(reffile);
+	f = systemf("%s %s >test.out 2>test.err", testprog, reffile);
+	if (f == 0 || canLz4()) {
+		assertEqualInt(0, f);
+		assertEmptyFile("test.out");
+		assertEmptyFile("test.err");
+	} else {
+		skipping("It seems lz4 is not supported on this platform");
+	}
+}