Tests: Created tests for hardware functions.

Created tests for all API functions exported in
src/liblzma/api/lzma/hardware.h. The tests are fairly trivial
but are helpful because they will inform users if their machines
cannot support these functions. They also improve the code
coverage metrics.

.gitignore

@@ -51,6 +51,7 @@ build-aux/test-driver
 /tests/test_block_header
 /tests/test_check
 /tests/test_filter_flags
+/tests/test_hardware
 /tests/test_index
 /tests/test_stream_flags
 /tests/xzgrep_test_1.xz

tests/Makefile.am

@@ -39,6 +39,7 @@ LDADD += $(LTLIBINTL)
 check_PROGRAMS = \
 	create_compress_files \
 	test_check \
+	test_hardware \
 	test_stream_flags \
 	test_filter_flags \
 	test_block_header \
@@ -47,6 +48,7 @@ check_PROGRAMS = \
 
 TESTS = \
 	test_check \
+	test_hardware \
 	test_stream_flags \
 	test_filter_flags \
 	test_block_header \

tests/test_hardware.c

@@ -0,0 +1,45 @@
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file       test_hardware.c
+/// \brief      Tests src/liblzma/api/lzma/hardware.h API functions
+///
+/// Since the output values of these functions are hardware dependent, these
+/// tests are trivial. They are simply used to detect errors and machines
+/// that these function are not supported on.
+//
+//  Author:     Jia Tan
+//
+//  This file has been put into the public domain.
+//  You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#include "tests.h"
+
+
+static void
+test_lzma_physmem(void)
+{
+	// NOTE: Use _skip instead of _fail because 0 can also mean that we
+	// don't know how to get this information on this operating system.
+	if (lzma_physmem() == 0)
+		assert_skip("Could not determine amount of physical memory");
+}
+
+
+static void
+test_lzma_cputhreads(void)
+{
+	if (lzma_cputhreads() == 0)
+		assert_skip("Could not determine cpu core count");
+}
+
+
+extern int
+main(int argc, char **argv)
+{
+	tuktest_start(argc, argv);
+	tuktest_run(test_lzma_physmem);
+	tuktest_run(test_lzma_cputhreads);
+	return tuktest_end();
+}