[ruby/pp] Print beginless ranges properly

Instead of displaying the start of the range as nil ruby/pp@1df210d903
ruby · Jan 15, 2024 · e0312f9 · e0312f9
1 parent 9c32998
commit e0312f9
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/lib/pp.rb b/lib/pp.rb
@@ -444,7 +444,7 @@ def pretty_print_cycle(q) # :nodoc:
 
 class Range # :nodoc:
   def pretty_print(q) # :nodoc:
-    q.pp self.begin
+    q.pp self.begin if self.begin
     q.breakable ''
     q.text(self.exclude_end? ? '...' : '..')
     q.breakable ''

diff --git a/test/test_pp.rb b/test/test_pp.rb
@@ -28,6 +28,13 @@ def o.method
     end
     assert_equal(%(""\n), PP.pp(o, "".dup))
   end
+
+  def test_range
+    assert_equal("0..1\n", PP.pp(0..1, "".dup))
+    assert_equal("0...1\n", PP.pp(0...1, "".dup))
+    assert_equal("0...\n", PP.pp(0..., "".dup))
+    assert_equal("...1\n", PP.pp(...1, "".dup))
+  end
 end
 
 class HasInspect