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Fix test suite for ruby 3.0 change for methods on subclass of Array
With ruby 3.0, especially with ruby/ruby#3690 , for subclass of Array, `flatten` method now returns the instance of Array, not of the subclass. To keep the object instance of the subclass, use `flatten!` instead.
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test/unit/debug.rb

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Original file line numberDiff line numberDiff line change
@@ -24,7 +24,8 @@ def test_creation
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[" \n", :space],
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["[]", :method],
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[:end_line, :head],
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].flatten
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]
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TEST_INPUT.flatten!
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TEST_OUTPUT = <<-'DEBUG'.chomp
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integer(10)operator((\\\))string<content(test)>head[
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test/unit/statistic.rb

Lines changed: 3 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -24,7 +24,8 @@ def test_creation
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[" \n", :space],
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["[]", :method],
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[:end_line, :test],
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].flatten
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]
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TEST_INPUT.flatten!
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TEST_OUTPUT = <<-'DEBUG'
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Code Statistics
@@ -56,4 +57,4 @@ def test_filtering_text_tokens
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assert_equal TEST_OUTPUT, TEST_INPUT.statistic
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end
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end
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end

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