assert("Array#fill") do
a = [ "a", "b", "c", "d" ]
assert_equal ["x", "x", "x", "x"], a.fill("x")
- assert_equal ["x", "x", "x", "w"], a.fill("w", -1)
+ assert_equal ["x", "x", "x", "w"], a.fill("w", -1)
assert_equal ["x", "x", "z", "z"], a.fill("z", 2, 2)
assert_equal ["y", "y", "z", "z"], a.fill("y", 0..1)
- assert_equal [0, 1, 4, 9], a.fill { |i| i*i }
+ assert_equal [0, 1, 4, 9], a.fill { |i| i*i }
assert_equal [0, 1, 8, 27], a.fill(-2) { |i| i*i*i }
assert_equal [0, 2, 3, 27], a.fill(1, 2) { |i| i+1 }
assert_equal [1, 2, 3, 27], a.fill(0..1) { |i| i+1 }
assert_raise(ArgumentError) { a.fill }
+
+ assert_equal([0, 1, 2, 3, -1, 5], [0, 1, 2, 3, 4, 5].fill(-1, -2, 1))
+ assert_equal([0, 1, 2, 3, -1, -1, -1], [0, 1, 2, 3, 4, 5].fill(-1, -2, 3))
+ assert_equal([0, 1, 2, -1, -1, 5], [0, 1, 2, 3, 4, 5].fill(-1, 3..4))
+ assert_equal([0, 1, 2, -1, 4, 5], [0, 1, 2, 3, 4, 5].fill(-1, 3...4))
+ assert_equal([0, 1, -1, -1, -1, 5], [0, 1, 2, 3, 4, 5].fill(-1, 2..-2))
+ assert_equal([0, 1, -1, -1, 4, 5], [0, 1, 2, 3, 4, 5].fill(-1, 2...-2))
+ assert_equal([0, 1, 2, 13, 14, 5], [0, 1, 2, 3, 4, 5].fill(3..4){|i| i+10})
+ assert_equal([0, 1, 2, 13, 4, 5], [0, 1, 2, 3, 4, 5].fill(3...4){|i| i+10})
+ assert_equal([0, 1, 12, 13, 14, 5], [0, 1, 2, 3, 4, 5].fill(2..-2){|i| i+10})
+ assert_equal([0, 1, 12, 13, 4, 5], [0, 1, 2, 3, 4, 5].fill(2...-2){|i| i+10})
+
+ assert_equal [1, 2, 3, 4, 'x', 'x'], [1, 2, 3, 4, 5, 6].fill('x', -2..-1)
+ assert_equal [1, 2, 3, 4, 'x', 6], [1, 2, 3, 4, 5, 6].fill('x', -2...-1)
+ assert_equal [1, 2, 3, 4, 5, 6], [1, 2, 3, 4, 5, 6].fill('x', -2...-2)
+ assert_equal [1, 2, 3, 4, 'x', 6], [1, 2, 3, 4, 5, 6].fill('x', -2..-2)
+ assert_equal [1, 2, 3, 4, 5, 6], [1, 2, 3, 4, 5, 6].fill('x', -2..0)
end
assert("Array#reverse_each") do
assert_equal ["c", "d", "a", "b"], a.rotate(10)
assert_equal [], [].rotate!
end
+
+assert("Array#delete_if") do
+ a = [1, 2, 3, 4, 5]
+ assert_equal [1, 2, 3, 4, 5], a.delete_if { false }
+ assert_equal [1, 2, 3, 4, 5], a
+
+ a = [1, 2, 3, 4, 5]
+ assert_equal [], a.delete_if { true }
+ assert_equal [], a
+
+ a = [1, 2, 3, 4, 5]
+ assert_equal [1, 2, 3], a.delete_if { |i| i > 3 }
+ assert_equal [1, 2, 3], a
+end
+
+assert("Array#reject!") do
+ a = [1, 2, 3, 4, 5]
+ assert_nil a.reject! { false }
+ assert_equal [1, 2, 3, 4, 5], a
+
+ a = [1, 2, 3, 4, 5]
+ assert_equal [], a.reject! { true }
+ assert_equal [], a
+
+ a = [1, 2, 3, 4, 5]
+ assert_equal [1, 2, 3], a.reject! { |val| val > 3 }
+ assert_equal [1, 2, 3], a
+end
+
+assert("Array#insert") do
+ a = ["a", "b", "c", "d"]
+ assert_equal ["a", "b", 99, "c", "d"], a.insert(2, 99)
+ assert_equal ["a", "b", 99, "c", 1, 2, 3, "d"], a.insert(-2, 1, 2, 3)
+
+ b = ["a", "b", "c", "d"]
+ assert_equal ["a", "b", "c", "d", nil, nil, 99], b.insert(6, 99)
+end
+
+assert("Array#delete_if") do
+ a = [1, 2, 3, 4, 5]
+ assert_equal [1, 2, 3, 4, 5], a.delete_if { false }
+ assert_equal [1, 2, 3, 4, 5], a
+
+ a = [1, 2, 3, 4, 5]
+ assert_equal [], a.delete_if { true }
+ assert_equal [], a
+
+ a = [ 1, 2, 3, 4, 5 ]
+ assert_equal [1, 2, 3], a.delete_if { |val| val > 3 }
+end