Support arguments to options with leading -

This allows negative values as arguments to numeric options and strings
starting with - for any other type.

Fixes #170
Fixes #179

1 files changed, 21 insertions, 0 deletions

diff --git a/test/parser_test.rb b/test/parser_test.rb
index 1099871..339a522 100644
--- a/test/parser_test.rb
+++ b/test/parser_test.rb
@@ -22,6 +22,27 @@ describe Slop::Parser do
     assert_equal 123, @result[:port]
   end
 
+  it "parses arg with leading -" do
+    @options.string "-t", "--text"
+    @result.parser.parse %w(--name=bob --text --sometext)
+    assert_equal "bob", @result[:name]
+    assert_equal "--sometext", @result[:text]
+  end
+
+  it "parses negative integer" do
+    @options.integer "-p", "--port"
+    @result.parser.parse %w(--name=bob --port -123)
+    assert_equal "bob", @result[:name]
+    assert_equal(-123, @result[:port])
+  end
+
+  it "parses negative float" do
+    @options.float "-m", "--multiple"
+    @result.parser.parse %w(--name=bob -m -123.987)
+    assert_equal "bob", @result[:name]
+    assert_equal(-123.987, @result[:multiple])
+  end
+
   describe "parsing grouped short flags" do
     before do
       @options.bool "-q", "--quiet"