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Diffstat (limited to 'spec/ruby/core/array/assoc_spec.rb')
-rw-r--r-- | spec/ruby/core/array/assoc_spec.rb | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/spec/ruby/core/array/assoc_spec.rb b/spec/ruby/core/array/assoc_spec.rb new file mode 100644 index 0000000000..37b0357806 --- /dev/null +++ b/spec/ruby/core/array/assoc_spec.rb @@ -0,0 +1,40 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "Array#assoc" do + it "returns the first array whose 1st item is == obj or nil" do + s1 = ["colors", "red", "blue", "green"] + s2 = [:letters, "a", "b", "c"] + s3 = [4] + s4 = ["colors", "cyan", "yellow", "magenda"] + s5 = [:letters, "a", "i", "u"] + s_nil = [nil, nil] + a = [s1, s2, s3, s4, s5, s_nil] + a.assoc(s1.first).should equal(s1) + a.assoc(s2.first).should equal(s2) + a.assoc(s3.first).should equal(s3) + a.assoc(s4.first).should equal(s1) + a.assoc(s5.first).should equal(s2) + a.assoc(s_nil.first).should equal(s_nil) + a.assoc(4).should equal(s3) + a.assoc("key not in array").should be_nil + end + + it "calls == on first element of each array" do + key1 = 'it' + key2 = mock('key2') + items = [['not it', 1], [ArraySpecs::AssocKey.new, 2], ['na', 3]] + + items.assoc(key1).should equal(items[1]) + items.assoc(key2).should be_nil + end + + it "ignores any non-Array elements" do + [1, 2, 3].assoc(2).should be_nil + s1 = [4] + s2 = [5, 4, 3] + a = ["foo", [], s1, s2, nil, []] + a.assoc(s1.first).should equal(s1) + a.assoc(s2.first).should equal(s2) + end +end |