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author | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-09-20 20:18:52 +0000 |
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committer | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-09-20 20:18:52 +0000 |
commit | 1d15d5f08032acf1b7bceacbb450d617ff6e0931 (patch) | |
tree | a3785a79899302bc149e4a6e72f624ac27dc1f10 /spec/ruby/library/matrix/vector | |
parent | 75bfc6440d595bf339007f4fb280fd4d743e89c1 (diff) | |
download | ruby-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/library/matrix/vector')
-rw-r--r-- | spec/ruby/library/matrix/vector/cross_product_spec.rb | 14 | ||||
-rw-r--r-- | spec/ruby/library/matrix/vector/each2_spec.rb | 49 | ||||
-rw-r--r-- | spec/ruby/library/matrix/vector/eql_spec.rb | 16 | ||||
-rw-r--r-- | spec/ruby/library/matrix/vector/inner_product_spec.rb | 22 | ||||
-rw-r--r-- | spec/ruby/library/matrix/vector/normalize_spec.rb | 18 |
5 files changed, 119 insertions, 0 deletions
diff --git a/spec/ruby/library/matrix/vector/cross_product_spec.rb b/spec/ruby/library/matrix/vector/cross_product_spec.rb new file mode 100644 index 0000000000..f26cf585da --- /dev/null +++ b/spec/ruby/library/matrix/vector/cross_product_spec.rb @@ -0,0 +1,14 @@ +require File.expand_path('../../../../spec_helper', __FILE__) +require 'matrix' + +describe "Vector#cross_product" do + it "returns the cross product of a vector" do + Vector[1, 2, 3].cross_product(Vector[0, -4, 5]).should == Vector[22, -5, -4] + end + + it "raises an error unless both vectors have dimension 3" do + lambda { + Vector[1, 2, 3].cross_product(Vector[0, -4]) + }.should raise_error(Vector::ErrDimensionMismatch) + end +end diff --git a/spec/ruby/library/matrix/vector/each2_spec.rb b/spec/ruby/library/matrix/vector/each2_spec.rb new file mode 100644 index 0000000000..e9d89e21c4 --- /dev/null +++ b/spec/ruby/library/matrix/vector/each2_spec.rb @@ -0,0 +1,49 @@ +require File.expand_path('../../../../spec_helper', __FILE__) +require 'matrix' + +describe "Vector.each2" do + before :all do + @v = Vector[1, 2, 3] + @v2 = Vector[4, 5, 6] + end + + it "requires one argument" do + lambda { @v.each2(@v2, @v2){} }.should raise_error(ArgumentError) + lambda { @v.each2(){} }.should raise_error(ArgumentError) + end + + describe "given one argument" do + it "accepts an Array argument" do + a = [] + @v.each2([7, 8, 9]){|x, y| a << x << y} + a.should == [1, 7, 2, 8, 3, 9] + end + + it "raises a DimensionMismatch error if the Vector size is different" do + lambda { @v.each2(Vector[1,2]){} }.should raise_error(Vector::ErrDimensionMismatch) + lambda { @v.each2(Vector[1,2,3,4]){} }.should raise_error(Vector::ErrDimensionMismatch) + end + + it "yields arguments in sequence" do + a = [] + @v.each2(@v2){|first, second| a << [first, second]} + a.should == [[1, 4], [2, 5], [3, 6]] + end + + it "yield arguments in pairs" do + a = [] + @v.each2(@v2){|*pair| a << pair} + a.should == [[1, 4], [2, 5], [3, 6]] + end + + it "returns self when given a block" do + @v.each2(@v2){}.should equal(@v) + end + + it "returns an enumerator if no block given" do + enum = @v.each2(@v2) + enum.should be_an_instance_of(Enumerator) + enum.to_a.should == [[1, 4], [2, 5], [3, 6]] + end + end +end diff --git a/spec/ruby/library/matrix/vector/eql_spec.rb b/spec/ruby/library/matrix/vector/eql_spec.rb new file mode 100644 index 0000000000..6cc69bbf7d --- /dev/null +++ b/spec/ruby/library/matrix/vector/eql_spec.rb @@ -0,0 +1,16 @@ +require File.expand_path('../../../../spec_helper', __FILE__) +require 'matrix' + +describe "Vector#eql?" do + before do + @vector = Vector[1, 2, 3, 4, 5] + end + + it "returns true for self" do + @vector.eql?(@vector).should be_true + end + + it "returns false when there are a pair corresponding elements which are not equal in the sense of Kernel#eql?" do + @vector.eql?(Vector[1, 2, 3, 4, 5.0]).should be_false + end +end diff --git a/spec/ruby/library/matrix/vector/inner_product_spec.rb b/spec/ruby/library/matrix/vector/inner_product_spec.rb new file mode 100644 index 0000000000..a953598b51 --- /dev/null +++ b/spec/ruby/library/matrix/vector/inner_product_spec.rb @@ -0,0 +1,22 @@ +require File.expand_path('../../../../spec_helper', __FILE__) +require 'matrix' + +describe "Vector#inner_product" do + it "returns the inner product of a vector" do + Vector[1, 2, 3].inner_product(Vector[0, -4, 5]).should == 7 + end + + it "returns 0 for empty vectors" do + Vector[].inner_product(Vector[]).should == 0 + end + + it "raises an error for mismatched vectors" do + lambda { + Vector[1, 2, 3].inner_product(Vector[0, -4]) + }.should raise_error(Vector::ErrDimensionMismatch) + end + + it "uses the conjugate of its argument" do + Vector[Complex(1,2)].inner_product(Vector[Complex(3,4)]).should == Complex(11, 2) + end +end diff --git a/spec/ruby/library/matrix/vector/normalize_spec.rb b/spec/ruby/library/matrix/vector/normalize_spec.rb new file mode 100644 index 0000000000..14aac1f5e3 --- /dev/null +++ b/spec/ruby/library/matrix/vector/normalize_spec.rb @@ -0,0 +1,18 @@ +require File.expand_path('../../../../spec_helper', __FILE__) +require 'matrix' + +describe "Vector#normalize" do + it "returns a normalized copy of the vector" do + x = 0.2672612419124244 + Vector[1, 2, 3].normalize.should == Vector[x, x * 2, x * 3] + end + + it "raises an error for zero vectors" do + lambda { + Vector[].normalize + }.should raise_error(Vector::ZeroVectorError) + lambda { + Vector[0, 0, 0].normalize + }.should raise_error(Vector::ZeroVectorError) + end +end |