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-rw-r--r--spec/ruby/core/thread/thread_variable_spec.rb21
1 files changed, 21 insertions, 0 deletions
diff --git a/spec/ruby/core/thread/thread_variable_spec.rb b/spec/ruby/core/thread/thread_variable_spec.rb
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index 0000000000..b409b3abfc
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+++ b/spec/ruby/core/thread/thread_variable_spec.rb
@@ -0,0 +1,21 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Thread#thread_variable?" do
+ before :each do
+ @t = Thread.new { }
+ end
+
+ after :each do
+ @t.join
+ end
+
+ it "returns false if the thread variables do not contain 'key'" do
+ @t.thread_variable_set :a, 2
+ @t.thread_variable?(:b).should be_false
+ end
+
+ it "returns true if the thread variables contain 'key'" do
+ @t.thread_variable_set :a, 2
+ @t.thread_variable?(:a).should be_true
+ end
+end