diff options
Diffstat (limited to 'spec/ruby/library/matrix/build_spec.rb')
-rw-r--r-- | spec/ruby/library/matrix/build_spec.rb | 117 |
1 files changed, 57 insertions, 60 deletions
diff --git a/spec/ruby/library/matrix/build_spec.rb b/spec/ruby/library/matrix/build_spec.rb index d3055a1aa7..6d8017a3df 100644 --- a/spec/ruby/library/matrix/build_spec.rb +++ b/spec/ruby/library/matrix/build_spec.rb @@ -1,76 +1,73 @@ require_relative '../../spec_helper' +require_relative 'fixtures/classes' +require 'matrix' -ruby_version_is ""..."3.1" do - require_relative 'fixtures/classes' - require 'matrix' +describe "Matrix.build" do - describe "Matrix.build" do - - it "returns a Matrix object of the given size" do - m = Matrix.build(3, 4){1} - m.should be_an_instance_of(Matrix) - m.row_size.should == 3 - m.column_size.should == 4 - end + it "returns a Matrix object of the given size" do + m = Matrix.build(3, 4){1} + m.should be_an_instance_of(Matrix) + m.row_size.should == 3 + m.column_size.should == 4 + end - it "builds the Matrix using the given block" do - Matrix.build(2, 3){|col, row| 10*col - row}.should == - Matrix[[0, -1, -2], [10, 9, 8]] - end + it "builds the Matrix using the given block" do + Matrix.build(2, 3){|col, row| 10*col - row}.should == + Matrix[[0, -1, -2], [10, 9, 8]] + end - it "iterates through the first row, then the second, ..." do - acc = [] - Matrix.build(2, 3){|*args| acc << args} - acc.should == [[0, 0], [0, 1], [0, 2], [1, 0], [1, 1], [1, 2]] - end + it "iterates through the first row, then the second, ..." do + acc = [] + Matrix.build(2, 3){|*args| acc << args} + acc.should == [[0, 0], [0, 1], [0, 2], [1, 0], [1, 1], [1, 2]] + end - it "returns an Enumerator is no block is given" do - enum = Matrix.build(2, 1) - enum.should be_an_instance_of(Enumerator) - enum.each{1}.should == Matrix[[1], [1]] - end + it "returns an Enumerator is no block is given" do + enum = Matrix.build(2, 1) + enum.should be_an_instance_of(Enumerator) + enum.each{1}.should == Matrix[[1], [1]] + end - it "requires integers as parameters" do - -> { Matrix.build("1", "2"){1} }.should raise_error(TypeError) - -> { Matrix.build(nil, nil){1} }.should raise_error(TypeError) - -> { Matrix.build(1..2){1} }.should raise_error(TypeError) - end + it "requires integers as parameters" do + -> { Matrix.build("1", "2"){1} }.should raise_error(TypeError) + -> { Matrix.build(nil, nil){1} }.should raise_error(TypeError) + -> { Matrix.build(1..2){1} }.should raise_error(TypeError) + end - it "requires non-negative integers" do - -> { Matrix.build(-1, 1){1} }.should raise_error(ArgumentError) - -> { Matrix.build(+1,-1){1} }.should raise_error(ArgumentError) - end + it "requires non-negative integers" do + -> { Matrix.build(-1, 1){1} }.should raise_error(ArgumentError) + -> { Matrix.build(+1,-1){1} }.should raise_error(ArgumentError) + end - it "returns empty Matrix if one argument is zero" do - m = Matrix.build(0, 3){ - raise "Should not yield" - } - m.should be_empty - m.column_size.should == 3 + it "returns empty Matrix if one argument is zero" do + m = Matrix.build(0, 3){ + raise "Should not yield" + } + m.should be_empty + m.column_size.should == 3 - m = Matrix.build(3, 0){ - raise "Should not yield" - } - m.should be_empty - m.row_size.should == 3 - end + m = Matrix.build(3, 0){ + raise "Should not yield" + } + m.should be_empty + m.row_size.should == 3 + end - it "tries to calls :to_int on arguments" do - int = mock('int') - int.should_receive(:to_int).twice.and_return(2) - Matrix.build(int, int){ 1 }.should == Matrix[ [1,1], [1,1] ] - end + it "tries to calls :to_int on arguments" do + int = mock('int') + int.should_receive(:to_int).twice.and_return(2) + Matrix.build(int, int){ 1 }.should == Matrix[ [1,1], [1,1] ] + end - it "builds an nxn Matrix when given only one argument" do - m = Matrix.build(3){1} - m.row_size.should == 3 - m.column_size.should == 3 - end + it "builds an nxn Matrix when given only one argument" do + m = Matrix.build(3){1} + m.row_size.should == 3 + m.column_size.should == 3 end +end - describe "for a subclass of Matrix" do - it "returns an instance of that subclass" do - MatrixSub.build(3){1}.should be_an_instance_of(MatrixSub) - end +describe "for a subclass of Matrix" do + it "returns an instance of that subclass" do + MatrixSub.build(3){1}.should be_an_instance_of(MatrixSub) end end |