From 0d172507a40e0f3ba8c9fe2756f6bf308136f9c2 Mon Sep 17 00:00:00 2001
From: Josh Cheek <josh.cheek@gmail.com>
Date: Wed, 13 Jan 2021 06:47:41 -0600
Subject: [PATCH] Update to work on 3.0

---
 .github/workflows/test.yml                    |  2 +-
 features/regression.feature                   | 26 -------------------
 .../event_stream/producer.rb                  |  1 +
 3 files changed, 2 insertions(+), 27 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5107b6f..2ce91c6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['2.5', '2.6', '2.7']
+        ruby-version: ['2.5', '2.6', '2.7', '3.0']
 
     steps:
     - uses: actions/checkout@v2
diff --git a/features/regression.feature b/features/regression.feature
index ba2bbf6..77a6a17 100644
--- a/features/regression.feature
+++ b/features/regression.feature
@@ -470,32 +470,6 @@ Feature:
     """
 
 
-  # See this issue for the issue we're testing for: https://github.com/JoshCheek/seeing_is_believing/issues/46
-  # See this issue for why we turn it off on 2.4: https://github.com/flori/json/issues/309
-  #
-  # Not going to get too detailed on what it prints, b/c that message seems pretty fragile,
-  # but just generally that it doesn't fkn blow up
-  @not-2.4
-  @not-2.5
-  @not-2.6
-  @not-2.7
-  Scenario: Old JSON bug
-    Given the file "json_and_encodings.rb":
-    """
-    # encoding: utf-8
-    require 'json'
-    JSON.parse JSON.dump("√")
-    """
-    When I run "seeing_is_believing json_and_encodings.rb"
-    Then stderr is empty
-    And the exit status is 1
-    And stdout includes:
-    """
-    require 'json'             # => true
-    JSON.parse JSON.dump("√")
-    """
-
-
   # https://github.com/JoshCheek/seeing_is_believing/wiki/Encodings
   # https://github.com/JoshCheek/seeing_is_believing/issues/109
   Scenario: Assumes utf-8 for files regardless of what Ruby thinks
diff --git a/lib/seeing_is_believing/event_stream/producer.rb b/lib/seeing_is_believing/event_stream/producer.rb
index 1ada0d9..09ee4f2 100644
--- a/lib/seeing_is_believing/event_stream/producer.rb
+++ b/lib/seeing_is_believing/event_stream/producer.rb
@@ -11,6 +11,7 @@ class Producer
       # Guarding against hostile users (e.g. me) that do ridiculous things like blowing away these constants
       old_w, $-w = $-w, nil # Ruby warns about accessing deprecated constants
       Object.constants.each do |name|
+        next if name == :SortedSet # Removed in 3.0, but apparently the constant still exists, it just explodes if you reference it
         const_set name, Object.const_get(name)
       end
       $-w = old_w