aboutsummaryrefslogtreecommitdiffstats
path: root/spec/ruby/core/integer
diff options
context:
space:
mode:
Diffstat (limited to 'spec/ruby/core/integer')
-rw-r--r--spec/ruby/core/integer/ceil_spec.rb15
-rw-r--r--spec/ruby/core/integer/digits_spec.rb34
-rw-r--r--spec/ruby/core/integer/dup_spec.rb10
-rw-r--r--spec/ruby/core/integer/floor_spec.rb15
-rw-r--r--spec/ruby/core/integer/integer_spec.rb7
-rw-r--r--spec/ruby/core/integer/round_spec.rb48
-rw-r--r--spec/ruby/core/integer/shared/integer_rounding.rb31
-rw-r--r--spec/ruby/core/integer/sqrt_spec.rb33
-rw-r--r--spec/ruby/core/integer/truncate_spec.rb15
9 files changed, 193 insertions, 15 deletions
diff --git a/spec/ruby/core/integer/ceil_spec.rb b/spec/ruby/core/integer/ceil_spec.rb
index 7a49ede0df..31c56f378d 100644
--- a/spec/ruby/core/integer/ceil_spec.rb
+++ b/spec/ruby/core/integer/ceil_spec.rb
@@ -1,6 +1,21 @@
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../shared/to_i', __FILE__)
+require File.expand_path('../shared/integer_rounding', __FILE__)
describe "Integer#ceil" do
it_behaves_like(:integer_to_i, :ceil)
+ it_behaves_like(:integer_rounding_positive_precision, :ceil)
+
+ ruby_version_is "2.4" do
+ context "precision argument specified as part of the ceil method is negative" do
+ it "returns the smallest integer greater than self with at least precision.abs trailing zeros" do
+ 18.ceil(-1).should eql(20)
+ 18.ceil(-2).should eql(100)
+ 18.ceil(-3).should eql(1000)
+ -1832.ceil(-1).should eql(-1830)
+ -1832.ceil(-2).should eql(-1800)
+ -1832.ceil(-3).should eql(-1000)
+ end
+ end
+ end
end
diff --git a/spec/ruby/core/integer/digits_spec.rb b/spec/ruby/core/integer/digits_spec.rb
new file mode 100644
index 0000000000..3546a654eb
--- /dev/null
+++ b/spec/ruby/core/integer/digits_spec.rb
@@ -0,0 +1,34 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+ruby_version_is "2.4" do
+ describe "Integer#digits" do
+ it "returns an array of place values in base-10 by default" do
+ 12345.digits.should == [5,4,3,2,1]
+ end
+
+ it "returns digits by place value of a given radix" do
+ 12345.digits(7).should == [4,6,6,0,5]
+ end
+
+ it "converts the radix with #to_int" do
+ 12345.digits(mock_int(2)).should == [1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1]
+ end
+
+ it "returns [0] when called on 0, regardless of base" do
+ 0.digits.should == [0]
+ 0.digits(7).should == [0]
+ end
+
+ it "raises ArgumentError when calling with a radix less than 2" do
+ lambda { 12345.digits(1) }.should raise_error(ArgumentError)
+ end
+
+ it "raises ArgumentError when calling with a negative radix" do
+ lambda { 12345.digits(-2) }.should raise_error(ArgumentError)
+ end
+
+ it "raises Math::DomainError when calling digits on a negative number" do
+ lambda { -12345.digits(7) }.should raise_error(Math::DomainError)
+ end
+ end
+end
diff --git a/spec/ruby/core/integer/dup_spec.rb b/spec/ruby/core/integer/dup_spec.rb
new file mode 100644
index 0000000000..f46bdf89bd
--- /dev/null
+++ b/spec/ruby/core/integer/dup_spec.rb
@@ -0,0 +1,10 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+ruby_version_is '2.4' do
+ describe "Integer#dup" do
+ it "returns self" do
+ int = 2
+ int.dup.should equal(int)
+ end
+ end
+end
diff --git a/spec/ruby/core/integer/floor_spec.rb b/spec/ruby/core/integer/floor_spec.rb
index b533a84ad4..9babcd9a3e 100644
--- a/spec/ruby/core/integer/floor_spec.rb
+++ b/spec/ruby/core/integer/floor_spec.rb
@@ -1,6 +1,21 @@
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../shared/to_i', __FILE__)
+require File.expand_path('../shared/integer_rounding', __FILE__)
describe "Integer#floor" do
it_behaves_like(:integer_to_i, :floor)
+ it_behaves_like(:integer_rounding_positive_precision, :floor)
+
+ ruby_version_is "2.4" do
+ context "precision argument specified as part of the floor method is negative" do
+ it "returns the largest integer less than self with at least precision.abs trailing zeros" do
+ 1832.floor(-1).should eql(1830)
+ 1832.floor(-2).should eql(1800)
+ 1832.floor(-3).should eql(1000)
+ -1832.floor(-1).should eql(-1840)
+ -1832.floor(-2).should eql(-1900)
+ -1832.floor(-3).should eql(-2000)
+ end
+ end
+ end
end
diff --git a/spec/ruby/core/integer/integer_spec.rb b/spec/ruby/core/integer/integer_spec.rb
index a6f406cba0..393f072563 100644
--- a/spec/ruby/core/integer/integer_spec.rb
+++ b/spec/ruby/core/integer/integer_spec.rb
@@ -4,6 +4,13 @@ describe "Integer" do
it "includes Comparable" do
Integer.include?(Comparable).should == true
end
+
+ ruby_version_is "2.4" do
+ it "is the class of both small and large integers" do
+ 42.class.should equal(Integer)
+ bignum_value.class.should equal(Integer)
+ end
+ end
end
describe "Integer#integer?" do
diff --git a/spec/ruby/core/integer/round_spec.rb b/spec/ruby/core/integer/round_spec.rb
index 5cc9aa3881..5a46e6cba6 100644
--- a/spec/ruby/core/integer/round_spec.rb
+++ b/spec/ruby/core/integer/round_spec.rb
@@ -1,10 +1,12 @@
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../shared/to_i', __FILE__)
+require File.expand_path('../shared/integer_rounding', __FILE__)
describe "Integer#round" do
it_behaves_like(:integer_to_i, :round)
+ it_behaves_like(:integer_rounding_positive_precision, :round)
- ruby_version_is ""..."2.5" do
+ ruby_version_is ""..."2.5" do # Not just since 2.4
it "rounds itself as a float if passed a positive precision" do
[2, -4, 10**70, -10**100].each do |v|
v.round(42).should eql(v.to_f)
@@ -12,20 +14,6 @@ describe "Integer#round" do
end
end
- ruby_version_is "2.5" do
- it "returns itself if passed a positive precision" do
- [2, -4, 10**70, -10**100].each do |v|
- v.round(42).should eql(v)
- end
- end
- end
-
- it "returns itself if passed zero" do
- [2, -4, 10**70, -10**100].each do |v|
- v.round(0).should eql(v)
- end
- end
-
# redmine:5228
it "returns itself rounded if passed a negative value" do
+249.round(-2).should eql(+200)
@@ -74,4 +62,34 @@ describe "Integer#round" do
obj.stub!(:to_int).and_return([])
lambda { 42.round(obj) }.should raise_error(TypeError)
end
+
+ ruby_version_is "2.4" do
+ it "returns different rounded values depending on the half option" do
+ 25.round(-1, half: :up).should eql(30)
+ 25.round(-1, half: :down).should eql(20)
+ 25.round(-1, half: :even).should eql(20)
+ 35.round(-1, half: :up).should eql(40)
+ 35.round(-1, half: :down).should eql(30)
+ 35.round(-1, half: :even).should eql(40)
+ (-25).round(-1, half: :up).should eql(-30)
+ (-25).round(-1, half: :down).should eql(-20)
+ (-25).round(-1, half: :even).should eql(-20)
+ end
+ end
+
+ ruby_version_is "2.4"..."2.5" do
+ it "returns itself as a float if passed a positive precision and the half option" do
+ 35.round(1, half: :up).should eql(35.0)
+ 35.round(1, half: :down).should eql(35.0)
+ 35.round(1, half: :even).should eql(35.0)
+ end
+ end
+
+ ruby_version_is "2.5" do
+ it "returns itself if passed a positive precision and the half option" do
+ 35.round(1, half: :up).should eql(35)
+ 35.round(1, half: :down).should eql(35)
+ 35.round(1, half: :even).should eql(35)
+ end
+ end
end
diff --git a/spec/ruby/core/integer/shared/integer_rounding.rb b/spec/ruby/core/integer/shared/integer_rounding.rb
new file mode 100644
index 0000000000..ecbda1bb4a
--- /dev/null
+++ b/spec/ruby/core/integer/shared/integer_rounding.rb
@@ -0,0 +1,31 @@
+describe :integer_rounding_positive_precision, shared: true do
+ it "returns self if not passed a precision" do
+ [2, -4, 10**70, -10**100].each do |v|
+ v.send(@method).should eql(v)
+ end
+ end
+
+ ruby_version_is "2.4" do
+ it "returns self if passed a precision of zero" do
+ [2, -4, 10**70, -10**100].each do |v|
+ v.send(@method, 0).should eql(v)
+ end
+ end
+ end
+
+ ruby_version_is "2.4"..."2.5" do
+ it "returns itself as a float if passed a positive precision" do
+ [2, -4, 10**70, -10**100].each do |v|
+ v.send(@method, 42).should eql(v.to_f)
+ end
+ end
+ end
+
+ ruby_version_is "2.5" do
+ it "returns itself if passed a positive precision" do
+ [2, -4, 10**70, -10**100].each do |v|
+ v.send(@method, 42).should eql(v)
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/integer/sqrt_spec.rb b/spec/ruby/core/integer/sqrt_spec.rb
new file mode 100644
index 0000000000..b7d9ef441b
--- /dev/null
+++ b/spec/ruby/core/integer/sqrt_spec.rb
@@ -0,0 +1,33 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+ruby_version_is "2.5" do
+ describe "Integer.sqrt" do
+ it "returns an integer" do
+ Integer.sqrt(10).should be_kind_of(Integer)
+ end
+
+ it "returns the integer square root of the argument" do
+ Integer.sqrt(0).should == 0
+ Integer.sqrt(1).should == 1
+ Integer.sqrt(24).should == 4
+ Integer.sqrt(25).should == 5
+ Integer.sqrt(10**400).should == 10**200
+ end
+
+ it "raises a Math::DomainError if the argument is negative" do
+ lambda { Integer.sqrt(-4) }.should raise_error(Math::DomainError)
+ end
+
+ it "accepts any argument that can be coerced to Integer" do
+ Integer.sqrt(10.0).should == 3
+ end
+
+ it "converts the argument with #to_int" do
+ Integer.sqrt(mock_int(10)).should == 3
+ end
+
+ it "raises a TypeError if the argument cannot be coerced to Integer" do
+ lambda { Integer.sqrt("test") }.should raise_error(TypeError)
+ end
+ end
+end
diff --git a/spec/ruby/core/integer/truncate_spec.rb b/spec/ruby/core/integer/truncate_spec.rb
index b503b1e4e8..429ab1a312 100644
--- a/spec/ruby/core/integer/truncate_spec.rb
+++ b/spec/ruby/core/integer/truncate_spec.rb
@@ -1,6 +1,21 @@
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../shared/to_i', __FILE__)
+require File.expand_path('../shared/integer_rounding', __FILE__)
describe "Integer#truncate" do
it_behaves_like(:integer_to_i, :truncate)
+ it_behaves_like(:integer_rounding_positive_precision, :truncate)
+
+ ruby_version_is "2.4" do
+ context "precision argument specified as part of the truncate method is negative" do
+ it "returns an integer with at least precision.abs trailing zeros" do
+ 1832.truncate(-1).should eql(1830)
+ 1832.truncate(-2).should eql(1800)
+ 1832.truncate(-3).should eql(1000)
+ -1832.truncate(-1).should eql(-1830)
+ -1832.truncate(-2).should eql(-1800)
+ -1832.truncate(-3).should eql(-1000)
+ end
+ end
+ end
end
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-30 06:04:53 +0000