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-rw-r--r--spec/ruby/core/array/element_set_spec.rb151
1 files changed, 126 insertions, 25 deletions
diff --git a/spec/ruby/core/array/element_set_spec.rb b/spec/ruby/core/array/element_set_spec.rb
index 9992e4d32b..df5ca9582e 100644
--- a/spec/ruby/core/array/element_set_spec.rb
+++ b/spec/ruby/core/array/element_set_spec.rb
@@ -36,6 +36,7 @@ describe "Array#[]=" do
a[3, 2] = ['a', 'b', 'c', 'd']
a.should == [2, 2, 3, "a", "b", "c", "d", 6]
end
+
it "replaces the section defined by [start,length] with the given values" do
a = [1, 2, 3, 4, 5, 6]
a[3, 2] = 'a', 'b', 'c', 'd'
@@ -94,8 +95,8 @@ describe "Array#[]=" do
it "checks frozen before attempting to coerce arguments" do
a = [1,2,3,4].freeze
- lambda {a[:foo] = 1}.should raise_error(frozen_error_class)
- lambda {a[:foo, :bar] = 1}.should raise_error(frozen_error_class)
+ -> {a[:foo] = 1}.should raise_error(FrozenError)
+ -> {a[:foo, :bar] = 1}.should raise_error(FrozenError)
end
it "sets elements in the range arguments when passed ranges" do
@@ -169,6 +170,7 @@ describe "Array#[]=" do
ary[1...1] = []
ary.should == [1, 2, 3]
end
+
it "does nothing if the section defined by range has negative width and the rhs is an empty array" do
ary = [1, 2, 3, 4, 5]
ary[1...0] = []
@@ -195,25 +197,25 @@ describe "Array#[]=" do
a[to .. from] = ["x"]
a.should == [1, "a", "b", "x", "c", 4]
- lambda { a["a" .. "b"] = [] }.should raise_error(TypeError)
- lambda { a[from .. "b"] = [] }.should raise_error(TypeError)
+ -> { a["a" .. "b"] = [] }.should raise_error(TypeError)
+ -> { a[from .. "b"] = [] }.should raise_error(TypeError)
end
it "raises an IndexError when passed indexes out of bounds" do
a = [1, 2, 3, 4]
- lambda { a[-5] = "" }.should raise_error(IndexError)
- lambda { a[-5, -1] = "" }.should raise_error(IndexError)
- lambda { a[-5, 0] = "" }.should raise_error(IndexError)
- lambda { a[-5, 1] = "" }.should raise_error(IndexError)
- lambda { a[-5, 2] = "" }.should raise_error(IndexError)
- lambda { a[-5, 10] = "" }.should raise_error(IndexError)
-
- lambda { a[-5..-5] = "" }.should raise_error(RangeError)
- lambda { a[-5...-5] = "" }.should raise_error(RangeError)
- lambda { a[-5..-4] = "" }.should raise_error(RangeError)
- lambda { a[-5...-4] = "" }.should raise_error(RangeError)
- lambda { a[-5..10] = "" }.should raise_error(RangeError)
- lambda { a[-5...10] = "" }.should raise_error(RangeError)
+ -> { a[-5] = "" }.should raise_error(IndexError)
+ -> { a[-5, -1] = "" }.should raise_error(IndexError)
+ -> { a[-5, 0] = "" }.should raise_error(IndexError)
+ -> { a[-5, 1] = "" }.should raise_error(IndexError)
+ -> { a[-5, 2] = "" }.should raise_error(IndexError)
+ -> { a[-5, 10] = "" }.should raise_error(IndexError)
+
+ -> { a[-5..-5] = "" }.should raise_error(RangeError)
+ -> { a[-5...-5] = "" }.should raise_error(RangeError)
+ -> { a[-5..-4] = "" }.should raise_error(RangeError)
+ -> { a[-5...-4] = "" }.should raise_error(RangeError)
+ -> { a[-5..10] = "" }.should raise_error(RangeError)
+ -> { a[-5...10] = "" }.should raise_error(RangeError)
# ok
a[0..-9] = [1]
@@ -236,8 +238,8 @@ describe "Array#[]=" do
ary.should == [5, 6, 7]
end
- it "raises a #{frozen_error_class} on a frozen array" do
- lambda { ArraySpecs.frozen_array[0, 0] = [] }.should raise_error(frozen_error_class)
+ it "raises a FrozenError on a frozen array" do
+ -> { ArraySpecs.frozen_array[0, 0] = [] }.should raise_error(FrozenError)
end
end
@@ -284,6 +286,12 @@ describe "Array#[]= with [index, count]" do
(a[2, 3] = [4, 5]).should == [4, 5]
end
+ it "accepts a frozen String literal as RHS" do
+ a = ['a', 'b', 'c']
+ a[0, 2] = 'd'.freeze
+ a.should == ['d', 'c']
+ end
+
it "just sets the section defined by [start,length] to nil even if the rhs is nil" do
a = ['a', 'b', 'c', 'd', 'e']
a[1, 3] = nil
@@ -323,6 +331,10 @@ describe "Array#[]= with [index, count]" do
b = [1, 2, 3, 4, 5]
b[10, 0] = [1]
a.should == [1, 2, 3, 4, 5, nil, nil, nil, nil, nil, 1]
+
+ c = [1, 2, 3, 4, 5]
+ c[10, 0] = []
+ c.should == [1, 2, 3, 4, 5, nil, nil, nil, nil, nil]
end
it "inserts other section in place defined by idx" do
@@ -337,12 +349,12 @@ describe "Array#[]= with [index, count]" do
it "raises an IndexError when passed start and negative length" do
a = [1, 2, 3, 4]
- lambda { a[-2, -1] = "" }.should raise_error(IndexError)
- lambda { a[0, -1] = "" }.should raise_error(IndexError)
- lambda { a[2, -1] = "" }.should raise_error(IndexError)
- lambda { a[4, -1] = "" }.should raise_error(IndexError)
- lambda { a[10, -1] = "" }.should raise_error(IndexError)
- lambda { [1, 2, 3, 4, 5][2, -1] = [7, 8] }.should raise_error(IndexError)
+ -> { a[-2, -1] = "" }.should raise_error(IndexError)
+ -> { a[0, -1] = "" }.should raise_error(IndexError)
+ -> { a[2, -1] = "" }.should raise_error(IndexError)
+ -> { a[4, -1] = "" }.should raise_error(IndexError)
+ -> { a[10, -1] = "" }.should raise_error(IndexError)
+ -> { [1, 2, 3, 4, 5][2, -1] = [7, 8] }.should raise_error(IndexError)
end
end
@@ -396,6 +408,14 @@ describe "Array#[]= with [m..n]" do
a.should == [1, 2, 3, 8, 4, 5]
end
+ it "inserts at the end if m > the array size" do
+ a = [1, 2, 3]
+ a[3..3] = [4]
+ a.should == [1, 2, 3, 4]
+ a[5..7] = [6]
+ a.should == [1, 2, 3, 4, nil, 6]
+ end
+
describe "Range subclasses" do
before :each do
@range_incl = ArraySpecs::MyRange.new(1, 2)
@@ -425,6 +445,87 @@ describe "Array#[]= with [m..n]" do
end
end
+describe "Array#[]= with [m..]" do
+ it "just sets the section defined by range to nil even if the rhs is nil" do
+ a = [1, 2, 3, 4, 5]
+ a[eval("(2..)")] = nil
+ a.should == [1, 2, nil]
+ end
+
+ it "just sets the section defined by range to nil if m and n < 0 and the rhs is nil" do
+ a = [1, 2, 3, 4, 5]
+ a[eval("(-3..)")] = nil
+ a.should == [1, 2, nil]
+ end
+
+ it "replaces the section defined by range" do
+ a = [6, 5, 4, 3, 2, 1]
+ a[eval("(3...)")] = 9
+ a.should == [6, 5, 4, 9]
+ a[eval("(2..)")] = [7, 7, 7]
+ a.should == [6, 5, 7, 7, 7]
+ end
+
+ it "replaces the section if m and n < 0" do
+ a = [1, 2, 3, 4, 5]
+ a[eval("(-3..)")] = [7, 8, 9]
+ a.should == [1, 2, 7, 8, 9]
+ end
+
+ it "inserts at the end if m > the array size" do
+ a = [1, 2, 3]
+ a[eval("(3..)")] = [4]
+ a.should == [1, 2, 3, 4]
+ a[eval("(5..)")] = [6]
+ a.should == [1, 2, 3, 4, nil, 6]
+ end
+end
+
+describe "Array#[]= with [..n] and [...n]" do
+ it "just sets the section defined by range to nil even if the rhs is nil" do
+ a = [1, 2, 3, 4, 5]
+ a[(..2)] = nil
+ a.should == [nil, 4, 5]
+ a[(...2)] = nil
+ a.should == [nil, 5]
+ end
+
+ it "just sets the section defined by range to nil if n < 0 and the rhs is nil" do
+ a = [1, 2, 3, 4, 5]
+ a[(..-3)] = nil
+ a.should == [nil, 4, 5]
+ a[(...-1)] = [nil, 5]
+ end
+
+ it "replaces the section defined by range" do
+ a = [6, 5, 4, 3, 2, 1]
+ a[(...3)] = 9
+ a.should == [9, 3, 2, 1]
+ a[(..2)] = [7, 7, 7, 7, 7]
+ a.should == [7, 7, 7, 7, 7, 1]
+ end
+
+ it "replaces the section if n < 0" do
+ a = [1, 2, 3, 4, 5]
+ a[(..-2)] = [7, 8, 9]
+ a.should == [7, 8, 9, 5]
+ end
+
+ it "replaces everything if n > the array size" do
+ a = [1, 2, 3]
+ a[(...7)] = [4]
+ a.should == [4]
+ end
+
+ it "inserts at the beginning if n < negative the array size" do
+ a = [1, 2, 3]
+ a[(..-7)] = [4]
+ a.should == [4, 1, 2, 3]
+ a[(...-10)] = [6]
+ a.should == [6, 4, 1, 2, 3]
+ end
+end
+
describe "Array#[] after a shift" do
it "works for insertion" do
a = [1,2]
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-19 18:46:58 +0000