Fix passing multiple switches as a single word to the build

Fixes #17434.

1 files changed, 7 insertions, 0 deletions

diff --git a/Library/Homebrew/test/test_options.rb b/Library/Homebrew/test/test_options.rb
index 78edb408c..405ead73b 100644
--- a/Library/Homebrew/test/test_options.rb
+++ b/Library/Homebrew/test/test_options.rb
@@ -140,4 +140,11 @@ class OptionsTests < Test::Unit::TestCase
   def test_coerce_raises_for_inappropriate_types
     assert_raises(TypeError) { Options.coerce(1) }
   end
+
+  def test_coerce_splits_multiple_switches_with_single_dash
+    array = %w{-vd}
+    verbose = Option.new("-v")
+    debug = Option.new("-d")
+    assert_equal [verbose, debug].sort, Options.coerce(array).to_a.sort
+  end
 end