diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | test/ruby/test_array.rb | 267 |
2 files changed, 272 insertions, 0 deletions
@@ -1,3 +1,8 @@ +Fri Apr 18 20:57:33 2008 Yusuke Endoh <mame@tsg.ne.jp> + + * test/ruby/test_array.rb: add tests to achieve over 95% test coverage + of array.c. + Fri Apr 18 17:37:48 2008 Nobuyoshi Nakada <nobu@ruby-lang.org> * gc.c (rb_gc_mark_locations): get rid of underflow. diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb index e9dab8e192..1fa5a293ec 100644 --- a/test/ruby/test_array.rb +++ b/test/ruby/test_array.rb @@ -1,6 +1,15 @@ require 'test/unit' class TestArray < Test::Unit::TestCase + def setup + @verbose = $VERBOSE + $VERBOSE = nil + end + + def teardown + $VERBOSE = @verbose + end + def test_0_literal assert_equal([1, 2, 3, 4], [1, 2] + [3, 4]) assert_equal([1, 2, 1, 2], [1, 2] * 2) @@ -1249,4 +1258,262 @@ class TestArray < Test::Unit::TestCase def test_drop_while assert_equal([3,4,5,0], [1,2,3,4,5,0].drop_while {|i| i < 3 }) end + + def test_modify_check + a = [] + a.freeze + assert_raise(RuntimeError) { a.shift } + a = [1, 2] + assert_raise(SecurityError) do + Thread.new do + $SAFE = 4 + a.shift + end.value + end + end + + def test_ary_new + assert_raise(ArgumentError) { [].to_enum.first(-1) } + assert_raise(ArgumentError) { [].to_enum.first(2**31-1) } + end + + def test_try_convert + assert_equal([1], Array.try_convert([1])) + assert_equal(nil, Array.try_convert("1")) + end + + def test_initialize + assert_nothing_raised { [].instance_eval { initialize } } + assert_nothing_raised { Array.new { } } + assert_equal([1, 2, 3], Array.new([1, 2, 3])) + assert_raise(ArgumentError) { Array.new(-1, 1) } + assert_raise(ArgumentError) { Array.new(2**31-1, 1) } + assert_equal([1, 1, 1], Array.new(3, 1)) + assert_equal([1, 1, 1], Array.new(3) { 1 }) + assert_equal([1, 1, 1], Array.new(3, 1) { 1 }) + end + + def test_aset + assert_raise(IndexError) { [0][-2] = 1 } + assert_raise(ArgumentError) { [0][2**31-1] = 2 } + assert_raise(ArgumentError) { [0][2**30-1] = 3 } + a = [0] + a[2] = 4 + assert_equal([0, nil, 4], a) + assert_raise(ArgumentError) { [0][0, 0, 0] = 0 } + end + + def test_first2 + assert_equal([0], [0].first(2)) + assert_raise(ArgumentError) { [0].first(-1) } + end + + def test_shift2 + assert_equal(0, ([0] * 16).shift) + # check + a = [0, 1, 2] + a[3] = 3 + a.shift(2) + assert_equal([2, 3], a) + end + + def test_unshift2 + Struct.new(:a, :b, :c) + end + + def test_aref + assert_raise(ArgumentError) { [][0, 0, 0] } + end + + def test_fetch + assert_equal(1, [].fetch(0, 0) { 1 }) + assert_equal(1, [0, 1].fetch(-1)) + assert_raise(IndexError) { [0, 1].fetch(2) } + assert_raise(IndexError) { [0, 1].fetch(-3) } + assert_equal(2, [0, 1].fetch(2, 2)) + end + + def test_index2 + a = [0, 1, 2] + assert_equal(a, a.index.to_a) + assert_equal(1, a.index {|x| x == 1 }) + end + + def test_rindex2 + a = [0, 1, 2] + assert_equal([2, 1, 0], a.rindex.to_a) + assert_equal(1, a.rindex {|x| x == 1 }) + + a = [0, 1] + e = a.rindex + assert_equal(1, e.next) + a.clear + assert_raise(StopIteration) { e.next } + + o = Object.new + class << o; self; end.class_eval do + define_method(:==) {|x| a.clear; false } + end + a = [nil, o] + assert_equal(nil, a.rindex(0)) + end + + def test_ary_to_ary + o = Object.new + def o.to_ary; [1, 2, 3]; end + a, b, c = o + assert_equal([1, 2, 3], [a, b, c]) + end + + def test_splice + a = [0] + assert_raise(IndexError) { a[-2, 0] = nil } + end + + def test_insert + a = [0] + assert_equal([0], a.insert(1)) + assert_equal([0, 1], a.insert(1, 1)) + assert_raise(ArgumentError) { a.insert } + assert_equal([0, 1, 2], a.insert(-1, 2)) + assert_equal([0, 1, 3, 2], a.insert(-2, 3)) + end + + def test_join2 + a = [] + a << a + assert_equal("[...]", a.join) + end + + def test_to_a + klass = Class.new(Array) + a = klass.new.to_a + assert_equal([], a) + assert_equal(Array, a.class) + end + + def test_values_at2 + a = [0, 1, 2, 3, 4, 5] + assert_equal([1, 2, 3], a.values_at(1..3)) + assert_equal([], a.values_at(7..8)) + assert_equal([nil], a.values_at(2**31-1)) + end + + def test_select + assert_equal([0, 2], [0, 1, 2, 3].select {|x| x % 2 == 0 }) + end + + def test_delete2 + a = [0] * 1024 + [1] + [0] * 1024 + a.delete(0) + assert_equal([1], a) + end + + def test_reject + assert_equal([1, 3], [0, 1, 2, 3].reject {|x| x % 2 == 0 }) + end + + def test_zip + assert_equal([[1, :a, "a"], [2, :b, "b"], [3, nil, "c"]], + [1, 2, 3].zip([:a, :b], ["a", "b", "c", "d"])) + a = [] + [1, 2, 3].zip([:a, :b], ["a", "b", "c", "d"]) {|x| a << x } + assert_equal([[1, :a, "a"], [2, :b, "b"], [3, nil, "c"]], a) + end + + def test_transpose + assert_equal([[1, :a], [2, :b], [3, :c]], + [[1, 2, 3], [:a, :b, :c]].transpose) + assert_raise(IndexError) { [[1, 2, 3], [:a, :b]].transpose } + end + + def test_clear2 + assert_equal([], ([0] * 1024).clear) + end + + def test_fill2 + assert_raise(ArgumentError) { [].fill(0, 1, 2**31-1) } + end + + def test_times + assert_raise(ArgumentError) { [0, 0, 0, 0] * (2**29) } + end + + def test_equal + o = Object.new + def o.to_ary; end + def o.==(x); :foo; end + assert(:foo, [0, 1, 2] == o) + assert([0, 1, 2] != [0, 1, 3]) + end + + def test_hash2 + a = [] + a << a + b = [] + b << b + assert_equal(a.hash, b.hash) + end + + def test_nitems2 + assert_equal(3, [5,6,7,8,9].nitems { |x| x % 2 != 0 }) + end + + def test_flatten2 + a = [] + a << a + assert_raise(ArgumentError) { a.flatten } + end + + def test_shuffle + 100.times do + assert_equal([0, 1, 2], [2, 1, 0].shuffle.sort) + end + end + + def test_choice + 100.times do + assert([0, 1, 2].include?([2, 1, 0].choice)) + end + end + + def test_cycle + a = [] + [0, 1, 2].cycle do |i| + a << i + break if a.size == 10 + end + assert_equal([0, 1, 2, 0, 1, 2, 0, 1, 2, 0], a) + + a = [0, 1, 2] + assert_nil(a.cycle { a.clear }) + + a = [] + [0, 1, 2].cycle(3) {|i| a << i } + assert_equal([0, 1, 2, 0, 1, 2, 0, 1, 2], a) + end + + def test_reverse_each2 + a = [0, 1, 2, 3, 4, 5] + r = [] + a.reverse_each do |x| + r << x + a.pop + a.pop + end + assert_equal([5, 3, 1], r) + end + + def test_combination2 + assert_raise(RangeError) do + (0..100).to_a.combination(50) {} + end + end + + def test_product2 + a = (0..100).to_a + assert_raise(RangeError) do + a.product(a, a, a, a, a, a, a, a, a, a) {} + end + end end |