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-rw-r--r--spec/ruby/core/array/fill_spec.rb113
1 files changed, 85 insertions, 28 deletions
diff --git a/spec/ruby/core/array/fill_spec.rb b/spec/ruby/core/array/fill_spec.rb
index 1c1beef25e..2c3b5d9e84 100644
--- a/spec/ruby/core/array/fill_spec.rb
+++ b/spec/ruby/core/array/fill_spec.rb
@@ -21,7 +21,7 @@ describe "Array#fill" do
it "does not replicate the filler" do
ary = [1, 2, 3, 4]
- str = "x"
+ str = +"x"
ary.fill(str).should == [str, str, str, str]
str << "y"
ary.should == [str, str, str, str]
@@ -43,20 +43,18 @@ describe "Array#fill" do
[nil, nil, nil, nil].fill { |i| i * 2 }.should == [0, 2, 4, 6]
end
- it "raises a #{frozen_error_class} on a frozen array" do
- -> { ArraySpecs.frozen_array.fill('x') }.should raise_error(frozen_error_class)
+ it "raises a FrozenError on a frozen array" do
+ -> { ArraySpecs.frozen_array.fill('x') }.should raise_error(FrozenError)
end
- it "raises a #{frozen_error_class} on an empty frozen array" do
- -> { ArraySpecs.empty_frozen_array.fill('x') }.should raise_error(frozen_error_class)
+ it "raises a FrozenError on an empty frozen array" do
+ -> { ArraySpecs.empty_frozen_array.fill('x') }.should raise_error(FrozenError)
end
it "raises an ArgumentError if 4 or more arguments are passed when no block given" do
- -> { [].fill('a') }.should_not raise_error(ArgumentError)
-
- -> { [].fill('a', 1) }.should_not raise_error(ArgumentError)
-
- -> { [].fill('a', 1, 2) }.should_not raise_error(ArgumentError)
+ [].fill('a').should == []
+ [].fill('a', 1).should == []
+ [].fill('a', 1, 2).should == [nil, 'a', 'a']
-> { [].fill('a', 1, 2, true) }.should raise_error(ArgumentError)
end
@@ -65,12 +63,52 @@ describe "Array#fill" do
end
it "raises an ArgumentError if 3 or more arguments are passed when a block given" do
- -> { [].fill() {|i|} }.should_not raise_error(ArgumentError)
+ [].fill() {|i|}.should == []
+ [].fill(1) {|i|}.should == []
+ [].fill(1, 2) {|i|}.should == [nil, nil, nil]
+ -> { [].fill(1, 2, true) {|i|} }.should raise_error(ArgumentError)
+ end
- -> { [].fill(1) {|i|} }.should_not raise_error(ArgumentError)
+ it "does not truncate the array is the block raises an exception" do
+ a = [1, 2, 3]
+ begin
+ a.fill { raise StandardError, 'Oops' }
+ rescue
+ end
- -> { [].fill(1, 2) {|i|} }.should_not raise_error(ArgumentError)
- -> { [].fill(1, 2, true) {|i|} }.should raise_error(ArgumentError)
+ a.should == [1, 2, 3]
+ end
+
+ it "only changes elements before error is raised, keeping the element which raised an error." do
+ a = [1, 2, 3, 4]
+ begin
+ a.fill do |i|
+ case i
+ when 0 then -1
+ when 1 then -2
+ when 2 then raise StandardError, 'Oops'
+ else 0
+ end
+ end
+ rescue StandardError
+ end
+
+ a.should == [-1, -2, 3, 4]
+ end
+
+ it "tolerates increasing an array size during iteration" do
+ array = [:a, :b, :c]
+ ScratchPad.record []
+ i = 0
+
+ array.fill do |index|
+ ScratchPad << index
+ array << i if i < 100
+ i++
+ index
+ end
+
+ ScratchPad.recorded.should == [0, 1, 2]
end
end
@@ -169,25 +207,25 @@ describe "Array#fill with (filler, index, length)" do
[1, 2, 3, 4, 5].fill(-2, -2, &@never_passed).should == [1, 2, 3, 4, 5]
end
- # See: http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/17481
+ # See: https://blade.ruby-lang.org/ruby-core/17481
it "does not raise an exception if the given length is negative and its absolute value does not exceed the index" do
- -> { [1, 2, 3, 4].fill('a', 3, -1)}.should_not raise_error(ArgumentError)
- -> { [1, 2, 3, 4].fill('a', 3, -2)}.should_not raise_error(ArgumentError)
- -> { [1, 2, 3, 4].fill('a', 3, -3)}.should_not raise_error(ArgumentError)
+ [1, 2, 3, 4].fill('a', 3, -1).should == [1, 2, 3, 4]
+ [1, 2, 3, 4].fill('a', 3, -2).should == [1, 2, 3, 4]
+ [1, 2, 3, 4].fill('a', 3, -3).should == [1, 2, 3, 4]
- -> { [1, 2, 3, 4].fill(3, -1, &@never_passed)}.should_not raise_error(ArgumentError)
- -> { [1, 2, 3, 4].fill(3, -2, &@never_passed)}.should_not raise_error(ArgumentError)
- -> { [1, 2, 3, 4].fill(3, -3, &@never_passed)}.should_not raise_error(ArgumentError)
+ [1, 2, 3, 4].fill(3, -1, &@never_passed).should == [1, 2, 3, 4]
+ [1, 2, 3, 4].fill(3, -2, &@never_passed).should == [1, 2, 3, 4]
+ [1, 2, 3, 4].fill(3, -3, &@never_passed).should == [1, 2, 3, 4]
end
it "does not raise an exception even if the given length is negative and its absolute value exceeds the index" do
- -> { [1, 2, 3, 4].fill('a', 3, -4)}.should_not raise_error(ArgumentError)
- -> { [1, 2, 3, 4].fill('a', 3, -5)}.should_not raise_error(ArgumentError)
- -> { [1, 2, 3, 4].fill('a', 3, -10000)}.should_not raise_error(ArgumentError)
+ [1, 2, 3, 4].fill('a', 3, -4).should == [1, 2, 3, 4]
+ [1, 2, 3, 4].fill('a', 3, -5).should == [1, 2, 3, 4]
+ [1, 2, 3, 4].fill('a', 3, -10000).should == [1, 2, 3, 4]
- -> { [1, 2, 3, 4].fill(3, -4, &@never_passed)}.should_not raise_error(ArgumentError)
- -> { [1, 2, 3, 4].fill(3, -5, &@never_passed)}.should_not raise_error(ArgumentError)
- -> { [1, 2, 3, 4].fill(3, -10000, &@never_passed)}.should_not raise_error(ArgumentError)
+ [1, 2, 3, 4].fill(3, -4, &@never_passed).should == [1, 2, 3, 4]
+ [1, 2, 3, 4].fill(3, -5, &@never_passed).should == [1, 2, 3, 4]
+ [1, 2, 3, 4].fill(3, -10000, &@never_passed).should == [1, 2, 3, 4]
end
it "tries to convert the second and third arguments to Integers using #to_int" do
@@ -205,10 +243,17 @@ describe "Array#fill with (filler, index, length)" do
-> { [].fill('a', obj) }.should raise_error(TypeError)
end
+ it "raises a TypeError when the length is not numeric" do
+ -> { [1, 2, 3].fill("x", 1, "foo") }.should raise_error(TypeError, /no implicit conversion of String into Integer/)
+ -> { [1, 2, 3].fill("x", 1, :"foo") }.should raise_error(TypeError, /no implicit conversion of Symbol into Integer/)
+ -> { [1, 2, 3].fill("x", 1, Object.new) }.should raise_error(TypeError, /no implicit conversion of Object into Integer/)
+ end
+
not_supported_on :opal do
it "raises an ArgumentError or RangeError for too-large sizes" do
+ error_types = [RangeError, ArgumentError]
arr = [1, 2, 3]
- -> { arr.fill(10, 1, fixnum_max) }.should raise_error(ArgumentError)
+ -> { arr.fill(10, 1, fixnum_max) }.should raise_error { |err| error_types.should include(err.class) }
-> { arr.fill(10, 1, bignum_value) }.should raise_error(RangeError)
end
end
@@ -314,4 +359,16 @@ describe "Array#fill with (filler, range)" do
def obj.<=>(rhs); rhs == self ? 0 : nil end
-> { [].fill('a', obj..obj) }.should raise_error(TypeError)
end
+
+ it "works with endless ranges" do
+ [1, 2, 3, 4].fill('x', eval("(1..)")).should == [1, 'x', 'x', 'x']
+ [1, 2, 3, 4].fill('x', eval("(3...)")).should == [1, 2, 3, 'x']
+ [1, 2, 3, 4].fill(eval("(1..)")) { |x| x + 2 }.should == [1, 3, 4, 5]
+ [1, 2, 3, 4].fill(eval("(3...)")) { |x| x + 2 }.should == [1, 2, 3, 5]
+ end
+
+ it "works with beginless ranges" do
+ [1, 2, 3, 4].fill('x', (..2)).should == ["x", "x", "x", 4]
+ [1, 2, 3, 4].fill((...2)) { |x| x + 2 }.should == [2, 3, 3, 4]
+ end
end
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