szip: add test and modernize

Closes #36953.

Signed-off-by: Xu Cheng <xucheng@me.com>

1 files changed, 26 insertions, 6 deletions

diff --git a/Library/Formula/szip.rb b/Library/Formula/szip.rb
index beaec4623..dd122a697 100644
--- a/Library/Formula/szip.rb
+++ b/Library/Formula/szip.rb
@@ -1,9 +1,7 @@
-require 'formula'
-
 class Szip < Formula
-  homepage 'http://www.hdfgroup.org/HDF5/release/obtain5.html#extlibs'
-  url 'http://www.hdfgroup.org/ftp/lib-external/szip/2.1/src/szip-2.1.tar.gz'
-  sha1 'd241c9acc26426a831765d660b683b853b83c131'
+  homepage "http://www.hdfgroup.org/HDF5/release/obtain5.html#extlibs"
+  url "http://www.hdfgroup.org/ftp/lib-external/szip/2.1/src/szip-2.1.tar.gz"
+  sha1 "d241c9acc26426a831765d660b683b853b83c131"
 
   option :universal
 
@@ -11,6 +9,28 @@ class Szip < Formula
     ENV.universal_binary if build.universal?
     system "./configure", "--disable-debug", "--disable-dependency-tracking",
                           "--prefix=#{prefix}"
-    system "make install"
+    system "make", "install"
+  end
+
+  test do
+    (testpath/"test.c").write <<-EOS.undent
+      #include <assert.h>
+      #include <stdlib.h>
+      #include <stdio.h>
+      #include "szlib.h"
+
+      int main()
+      {
+        sz_stream c_stream;
+        c_stream.bits_per_pixel = 8;
+        c_stream.pixels_per_block = 8;
+        c_stream.pixels_per_scanline = 16;
+        assert(SZ_CompressInit(&c_stream) == SZ_OK);
+        assert(SZ_CompressEnd(&c_stream) == SZ_OK);
+        return 0;
+      }
+    EOS
+    system ENV.cc, "-lsz", "test.c", "-o", "test"
+    system "./test"
   end
 end