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authoreregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
committereregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
commit1d15d5f08032acf1b7bceacbb450d617ff6e0931 (patch)
treea3785a79899302bc149e4a6e72f624ac27dc1f10 /spec/ruby/language/redo_spec.rb
parent75bfc6440d595bf339007f4fb280fd4d743e89c1 (diff)
downloadruby-1d15d5f08032acf1b7bceacbb450d617ff6e0931.tar.gz
Move spec/rubyspec to spec/ruby for consistency
* Other ruby implementations use the spec/ruby directory. [Misc #13792] [ruby-core:82287] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'spec/ruby/language/redo_spec.rb')
-rw-r--r--spec/ruby/language/redo_spec.rb66
1 files changed, 66 insertions, 0 deletions
diff --git a/spec/ruby/language/redo_spec.rb b/spec/ruby/language/redo_spec.rb
new file mode 100644
index 0000000000..53fd30b4f2
--- /dev/null
+++ b/spec/ruby/language/redo_spec.rb
@@ -0,0 +1,66 @@
+require File.expand_path('../../spec_helper', __FILE__)
+
+describe "The redo statement" do
+ it "restarts block execution if used within block" do
+ a = []
+ lambda {
+ a << 1
+ redo if a.size < 2
+ a << 2
+ }.call
+ a.should == [1, 1, 2]
+ end
+
+ it "re-executes the closest loop" do
+ exist = [2,3]
+ processed = []
+ order = []
+ [1,2,3,4].each do |x|
+ order << x
+ begin
+ processed << x
+ if exist.include?(x)
+ raise StandardError, "included"
+ end
+ rescue StandardError
+ exist.delete(x)
+ redo
+ end
+ end
+ processed.should == [1,2,2,3,3,4]
+ exist.should == []
+ order.should == [1,2,2,3,3,4]
+ end
+
+ it "re-executes the last step in enumeration" do
+ list = []
+ [1,2,3].each do |x|
+ list << x
+ break if list.size == 6
+ redo if x == 3
+ end
+ list.should == [1,2,3,3,3,3]
+ end
+
+ it "triggers ensure block when re-executing a block" do
+ list = []
+ [1,2,3].each do |x|
+ list << x
+ begin
+ list << 10*x
+ redo if list.count(1) == 1
+ ensure
+ list << 100*x
+ end
+ end
+ list.should == [1,10,100,1,10,100,2,20,200,3,30,300]
+ end
+
+ describe "in a method" do
+ it "is invalid and raises a SyntaxError" do
+ lambda {
+ eval("def m; redo; end")
+ }.should raise_error(SyntaxError)
+ end
+ end
+end