[Fix #7719] Fix Style/NestedParenthesizedCalls cop for newline

Closes #7719
rubocop · Feb 19, 2020 · 0c3afb7 · 0c3afb7
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## master (unreleased)
 
+### Bug fixes
+
+* [#7719](https://github.com/rubocop-hq/rubocop/issues/7719): Fix `Style/NestedParenthesizedCalls` cop for newline. ([@tejasbubane][])
+
 ## 0.80.0 (2020-02-18)
 
 ### New features

diff --git a/lib/rubocop/cop/style/nested_parenthesized_calls.rb b/lib/rubocop/cop/style/nested_parenthesized_calls.rb
@@ -35,8 +35,8 @@ def autocorrect(nested)
           last_arg = nested.last_argument.source_range
 
           leading_space =
-            range_with_surrounding_space(range: first_arg,
-                                         side: :left).begin.resize(1)
+            range_with_surrounding_space(range: first_arg.begin,
+                                         side: :left)
 
           lambda do |corrector|
             corrector.replace(leading_space, '(')

diff --git a/spec/rubocop/cop/style/nested_parenthesized_calls_spec.rb b/spec/rubocop/cop/style/nested_parenthesized_calls_spec.rb
@@ -100,4 +100,18 @@
       expect_no_offenses('expect(object1.attr = 1).to eq 1')
     end
   end
+
+  context 'backslash newline in method call' do
+    let(:source) do
+      <<~RUBY
+        puts(nex \
+               5)
+      RUBY
+    end
+
+    it 'auto-corrects by adding parentheses' do
+      new_source = autocorrect_source(source.strip)
+      expect(new_source).to eq('puts(nex(5))')
+    end
+  end
 end