diff options
author | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-05-07 12:04:49 +0000 |
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committer | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-05-07 12:04:49 +0000 |
commit | 95e8c48dd3348503a8c7db5d0498894a1b676395 (patch) | |
tree | 9eef7f720314ebaff56845a74e203770e62284e4 /spec/rubyspec/core/hash/rehash_spec.rb | |
parent | ed7d803500de38186c74bce94d233e85ef51e503 (diff) |
Add in-tree mspec and ruby/spec
* For easier modifications of ruby/spec by MRI developers.
* .gitignore: track changes under spec.
* spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec.
These files can therefore be updated like any other file in MRI.
Instructions are provided in spec/README.
[Feature #13156] [ruby-core:79246]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'spec/rubyspec/core/hash/rehash_spec.rb')
-rw-r--r-- | spec/rubyspec/core/hash/rehash_spec.rb | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/spec/rubyspec/core/hash/rehash_spec.rb b/spec/rubyspec/core/hash/rehash_spec.rb new file mode 100644 index 0000000000..09315737b6 --- /dev/null +++ b/spec/rubyspec/core/hash/rehash_spec.rb @@ -0,0 +1,42 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "Hash#rehash" do + it "reorganizes the hash by recomputing all key hash codes" do + k1 = [1] + k2 = [2] + h = {} + h[k1] = 0 + h[k2] = 1 + + k1 << 2 + h.key?(k1).should == false + h.keys.include?(k1).should == true + + h.rehash.should equal(h) + h.key?(k1).should == true + h[k1].should == 0 + + k1 = mock('k1') + k2 = mock('k2') + v1 = mock('v1') + v2 = mock('v2') + + v1.should_not_receive(:hash) + v2.should_not_receive(:hash) + + h = { k1 => v1, k2 => v2 } + + k1.should_receive(:hash).twice.and_return(0) + k2.should_receive(:hash).twice.and_return(0) + + h.rehash + h[k1].should == v1 + h[k2].should == v2 + end + + it "raises a RuntimeError if called on a frozen instance" do + lambda { HashSpecs.frozen_hash.rehash }.should raise_error(RuntimeError) + lambda { HashSpecs.empty_frozen_hash.rehash }.should raise_error(RuntimeError) + end +end |