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-rw-r--r--spec/ruby/library/matrix/find_index_spec.rb221
1 files changed, 112 insertions, 109 deletions
diff --git a/spec/ruby/library/matrix/find_index_spec.rb b/spec/ruby/library/matrix/find_index_spec.rb
index c2bfa6d61a..a0e3679aef 100644
--- a/spec/ruby/library/matrix/find_index_spec.rb
+++ b/spec/ruby/library/matrix/find_index_spec.rb
@@ -1,146 +1,149 @@
require_relative '../../spec_helper'
-require 'matrix'
-describe "Matrix#find_index without any argument" do
- before :all do
- @m = Matrix[ [1, 2, 3, 4], [5, 6, 7, 8] ]
- end
+ruby_version_is ""..."3.1" do
+ require 'matrix'
- it "returns an Enumerator when called without a block" do
- enum = @m.find_index
- enum.should be_an_instance_of(Enumerator)
- enum.to_a.should == [1, 2, 3, 4, 5, 6, 7, 8]
- end
+ describe "Matrix#find_index without any argument" do
+ before :all do
+ @m = Matrix[ [1, 2, 3, 4], [5, 6, 7, 8] ]
+ end
- it "returns nil if the block is always false" do
- @m.find_index{false}.should be_nil
- end
+ it "returns an Enumerator when called without a block" do
+ enum = @m.find_index
+ enum.should be_an_instance_of(Enumerator)
+ enum.to_a.should == [1, 2, 3, 4, 5, 6, 7, 8]
+ end
- it "returns the first index for which the block is true" do
- @m.find_index{|x| x >= 3}.should == [0, 2]
- end
-end
+ it "returns nil if the block is always false" do
+ @m.find_index{false}.should be_nil
+ end
-describe "Matrix#find_index with a subselection argument" do
- before :all do
- @tests = [
- [ Matrix[ [1, 2, 3, 4], [5, 6, 7, 8] ], {
- diagonal: [1, 6] ,
- off_diagonal: [2, 3, 4, 5, 7, 8],
- lower: [1, 5, 6] ,
- strict_lower: [5] ,
- strict_upper: [2, 3, 4, 7, 8] ,
- upper: [1, 2, 3, 4, 6, 7, 8] ,
- }
- ],
- [ Matrix[ [1, 2], [3, 4], [5, 6], [7, 8] ], {
- diagonal: [1, 4] ,
- off_diagonal: [2, 3, 5, 6, 7, 8],
- lower: [1, 3, 4, 5, 6, 7, 8] ,
- strict_lower: [3, 5, 6, 7, 8] ,
- strict_upper: [2] ,
- upper: [1, 2, 4] ,
- }
- ]]
+ it "returns the first index for which the block is true" do
+ @m.find_index{|x| x >= 3}.should == [0, 2]
+ end
end
- describe "and no generic argument" do
- it "returns an Enumerator when called without a block" do
- @tests.each do |matrix, h|
- h.each do |selector, result|
- matrix.find_index(selector).should be_an_instance_of(Enumerator)
- end
- end
+ describe "Matrix#find_index with a subselection argument" do
+ before :all do
+ @tests = [
+ [ Matrix[ [1, 2, 3, 4], [5, 6, 7, 8] ], {
+ diagonal: [1, 6] ,
+ off_diagonal: [2, 3, 4, 5, 7, 8],
+ lower: [1, 5, 6] ,
+ strict_lower: [5] ,
+ strict_upper: [2, 3, 4, 7, 8] ,
+ upper: [1, 2, 3, 4, 6, 7, 8] ,
+ }
+ ],
+ [ Matrix[ [1, 2], [3, 4], [5, 6], [7, 8] ], {
+ diagonal: [1, 4] ,
+ off_diagonal: [2, 3, 5, 6, 7, 8],
+ lower: [1, 3, 4, 5, 6, 7, 8] ,
+ strict_lower: [3, 5, 6, 7, 8] ,
+ strict_upper: [2] ,
+ upper: [1, 2, 4] ,
+ }
+ ]]
end
- it "yields the rights elements" do
- @tests.each do |matrix, h|
- h.each do |selector, result|
- matrix.find_index(selector).to_a.should == result
+ describe "and no generic argument" do
+ it "returns an Enumerator when called without a block" do
+ @tests.each do |matrix, h|
+ h.each do |selector, result|
+ matrix.find_index(selector).should be_an_instance_of(Enumerator)
+ end
end
end
- end
- it "returns the first index for which the block returns true" do
- @tests.each do |matrix, h|
- h.each do |selector, result|
- cnt = result.size.div 2
- which = result[cnt]
- idx = matrix.find_index(selector){|x| cnt -= 1; x == which}
- matrix[*idx].should == which
- cnt.should == -1
+ it "yields the rights elements" do
+ @tests.each do |matrix, h|
+ h.each do |selector, result|
+ matrix.find_index(selector).to_a.should == result
+ end
end
end
- end
- it "returns nil if the block is always false" do
- @tests.each do |matrix, h|
- h.each do |selector, result|
- matrix.find_index(selector){ nil }.should == nil
+ it "returns the first index for which the block returns true" do
+ @tests.each do |matrix, h|
+ h.each do |selector, result|
+ cnt = result.size.div 2
+ which = result[cnt]
+ idx = matrix.find_index(selector){|x| cnt -= 1; x == which}
+ matrix[*idx].should == which
+ cnt.should == -1
+ end
end
end
- end
- end
+ it "returns nil if the block is always false" do
+ @tests.each do |matrix, h|
+ h.each do |selector, result|
+ matrix.find_index(selector){ nil }.should == nil
+ end
+ end
+ end
- describe "and a generic argument" do
- it "ignores a block" do
- @m.find_index(42, :diagonal){raise "oups"}.should == nil
end
- it "returns the index of the requested value" do
- @tests.each do |matrix, h|
- h.each do |selector, result|
- cnt = result.size / 2
- which = result[cnt]
- idx = matrix.find_index(which, selector)
- matrix[*idx].should == which
+ describe "and a generic argument" do
+ it "ignores a block" do
+ @m.find_index(42, :diagonal){raise "oups"}.should == nil
+ end
+
+ it "returns the index of the requested value" do
+ @tests.each do |matrix, h|
+ h.each do |selector, result|
+ cnt = result.size / 2
+ which = result[cnt]
+ idx = matrix.find_index(which, selector)
+ matrix[*idx].should == which
+ end
end
end
- end
- it "returns nil if the requested value is not found" do
- @tests.each do |matrix, h|
- h.each do |selector, result|
- matrix.find_index(42, selector).should == nil
+ it "returns nil if the requested value is not found" do
+ @tests.each do |matrix, h|
+ h.each do |selector, result|
+ matrix.find_index(42, selector).should == nil
+ end
end
end
end
- end
-end
-
-describe "Matrix#find_index with only a generic argument" do
- before :all do
- @m = Matrix[ [1, 2, 3, 4], [1, 2, 3, 4] ]
end
- it "returns nil if the value is not found" do
- @m.find_index(42).should be_nil
- end
+ describe "Matrix#find_index with only a generic argument" do
+ before :all do
+ @m = Matrix[ [1, 2, 3, 4], [1, 2, 3, 4] ]
+ end
- it "returns the first index for of the requested value" do
- @m.find_index(3).should == [0, 2]
- end
+ it "returns nil if the value is not found" do
+ @m.find_index(42).should be_nil
+ end
+
+ it "returns the first index for of the requested value" do
+ @m.find_index(3).should == [0, 2]
+ end
- it "ignores a block" do
- @m.find_index(4){raise "oups"}.should == [0, 3]
+ it "ignores a block" do
+ @m.find_index(4){raise "oups"}.should == [0, 3]
+ end
end
-end
-describe "Matrix#find_index with two arguments" do
- it "raises an ArgumentError for an unrecognized last argument" do
- -> {
- @m.find_index(1, "all"){}
- }.should raise_error(ArgumentError)
- -> {
- @m.find_index(1, nil){}
- }.should raise_error(ArgumentError)
- -> {
- @m.find_index(1, :left){}
- }.should raise_error(ArgumentError)
- -> {
- @m.find_index(:diagonal, 1){}
- }.should raise_error(ArgumentError)
+ describe "Matrix#find_index with two arguments" do
+ it "raises an ArgumentError for an unrecognized last argument" do
+ -> {
+ @m.find_index(1, "all"){}
+ }.should raise_error(ArgumentError)
+ -> {
+ @m.find_index(1, nil){}
+ }.should raise_error(ArgumentError)
+ -> {
+ @m.find_index(1, :left){}
+ }.should raise_error(ArgumentError)
+ -> {
+ @m.find_index(:diagonal, 1){}
+ }.should raise_error(ArgumentError)
+ end
end
end
generated by cgit v1.2.3 (git 2.25.1) at 2026-05-29 18:49:22 +0000