cpmtools 2.17

Closes Homebrew/homebrew#26611.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/cpmtools.rb

@@ -2,8 +2,8 @@ require 'formula'
 
 class Cpmtools < Formula
   homepage 'http://www.moria.de/~michael/cpmtools/'
-  url 'http://www.moria.de/~michael/cpmtools/cpmtools-2.16.tar.gz'
-  sha1 'a63c381f868870f3a33ffacb552d5b4e8ede28eb'
+  url 'http://www.moria.de/~michael/cpmtools/cpmtools-2.17.tar.gz'
+  sha1 '71e9d3a7de4b366a52ac24e53c2958c2b8124e5f'
 
   def install
     system "./configure", "--prefix=#{prefix}"
@@ -14,4 +14,24 @@ class Cpmtools < Formula
 
     system "make install"
   end
+
+  test do
+    # make a disk image
+    image = testpath/"disk.cpm"
+    system "#{bin}/mkfs.cpm -f ibm-3740 #{image}"
+
+    # copy a file into the disk image
+    src = testpath/"foo"
+    src.write "a" * 128
+    system "#{bin}/cpmcp -f ibm-3740 #{image} #{src} 0:foo"
+
+    # check for the file in the cp/m directory
+    assert `#{bin}/cpmls -f ibm-3740 #{image}`.include?("foo")
+    assert_equal 0, $?.exitstatus
+
+    # copy the file back out of the image
+    dest = testpath/"bar"
+    system "#{bin}/cpmcp -f ibm-3740 #{image} 0:foo #{dest}"
+    assert_equal src.read, dest.read
+  end
 end