From 8a83b704cd27e40823bc84ad9f09f2d880c69df9 Mon Sep 17 00:00:00 2001
From: Herwin Weststrate <herwin@quarantainenet.nl>
Date: Mon, 23 Sep 2024 12:12:35 +0200
Subject: [PATCH] Add specs for Queue#freeze and SizedQueue#freeze

References:
* https://rubyreferences.github.io/rubychanges/3.3.html#threadqueuefreeze-and-sizedqueuefreeze-raise-typeerror
* https://bugs.ruby-lang.org/issues/17146
* https://docs.ruby-lang.org/en/3.3/Thread/Queue.html#method-i-freeze
* https://docs.ruby-lang.org/en/3.3/Thread/SizedQueue.html#method-i-freeze
---
 core/queue/freeze_spec.rb      |  6 ++++++
 core/sizedqueue/freeze_spec.rb |  6 ++++++
 shared/queue/freeze.rb         | 18 ++++++++++++++++++
 3 files changed, 30 insertions(+)
 create mode 100644 core/queue/freeze_spec.rb
 create mode 100644 core/sizedqueue/freeze_spec.rb
 create mode 100644 shared/queue/freeze.rb

diff --git a/core/queue/freeze_spec.rb b/core/queue/freeze_spec.rb
new file mode 100644
index 000000000..ced2cc52d
--- /dev/null
+++ b/core/queue/freeze_spec.rb
@@ -0,0 +1,6 @@
+require_relative '../../spec_helper'
+require_relative '../../shared/queue/freeze'
+
+describe "Queue#freeze" do
+  it_behaves_like :queue_freeze, :freeze, -> { Queue.new }
+end
diff --git a/core/sizedqueue/freeze_spec.rb b/core/sizedqueue/freeze_spec.rb
new file mode 100644
index 000000000..98f01cae2
--- /dev/null
+++ b/core/sizedqueue/freeze_spec.rb
@@ -0,0 +1,6 @@
+require_relative '../../spec_helper'
+require_relative '../../shared/queue/freeze'
+
+describe "SizedQueue#freeze" do
+  it_behaves_like :queue_freeze, :freeze, -> { SizedQueue.new(1) }
+end
diff --git a/shared/queue/freeze.rb b/shared/queue/freeze.rb
new file mode 100644
index 000000000..4c506a423
--- /dev/null
+++ b/shared/queue/freeze.rb
@@ -0,0 +1,18 @@
+describe :queue_freeze, shared: true do
+  ruby_version_is ""..."3.3" do
+    it "can be frozen" do
+      queue = @object.call
+      queue.freeze
+      queue.should.frozen?
+    end
+  end
+
+  ruby_version_is "3.3" do
+    it "raises an exception when freezing" do
+      queue = @object.call
+      -> {
+        queue.freeze
+      }.should raise_error(TypeError, "cannot freeze #{queue}")
+    end
+  end
+end