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author | marcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-12-23 03:42:29 +0000 |
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committer | marcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-12-23 03:42:29 +0000 |
commit | 9471f4187f104f7a0942fdccc884e57cf8027d07 (patch) | |
tree | 313b0a21a768e3d949de8f3e567bc5fe87bea811 | |
parent | 573762a7b7bbaf08aa1c27d95a9bcb15bac9ee2e (diff) | |
download | ruby-9471f4187f104f7a0942fdccc884e57cf8027d07.tar.gz |
* array.c: Have to_h raise on elements that are not key-value pairs [#9239]
* enum.c: ditto
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44354 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | ChangeLog | 7 | ||||
-rw-r--r-- | array.c | 13 | ||||
-rw-r--r-- | enum.c | 16 | ||||
-rw-r--r-- | test/ruby/test_array.rb | 12 | ||||
-rw-r--r-- | test/ruby/test_enum.rb | 18 |
5 files changed, 47 insertions, 19 deletions
@@ -1,3 +1,10 @@ +Mon Dec 23 12:42:13 2013 Marc-Andre Lafortune <ruby-core@marc-andre.ca> + + * array.c: Have to_h raise on elements that are not key-value pairs + [#9239] + + * enum.c: ditto + Mon Dec 23 05:01:55 2013 Zachary Scott <e@zzak.io> * doc/syntax/methods.rdoc: [DOC] Added example for underscore @@ -2130,8 +2130,7 @@ rb_ary_to_a(VALUE ary) * ary.to_h -> hash * * Returns the result of interpreting <i>ary</i> as an array of - * <tt>[key, value]</tt> pairs. Elements other than pairs of - * values are ignored. + * <tt>[key, value]</tt> pairs. * * [[:foo, :bar], [1, 2]].to_h * # => {:foo => :bar, 1 => 2} @@ -2144,9 +2143,15 @@ rb_ary_to_h(VALUE ary) VALUE hash = rb_hash_new(); for (i=0; i<RARRAY_LEN(ary); i++) { VALUE key_value_pair = rb_check_array_type(rb_ary_elt(ary, i)); - if (!NIL_P(key_value_pair) && (RARRAY_LEN(key_value_pair) == 2)) { - rb_hash_aset(hash, RARRAY_AREF(key_value_pair, 0), RARRAY_AREF(key_value_pair, 1)); + if (NIL_P(key_value_pair)) { + rb_raise(rb_eTypeError, "wrong element type %s at %ld (expected array)", + rb_builtin_class_name(rb_ary_elt(ary, i)), i); } + if (RARRAY_LEN(key_value_pair) != 2) { + rb_raise(rb_eArgError, "wrong array length at %ld (expected 2, was %ld)", + i, RARRAY_LEN(key_value_pair)); + } + rb_hash_aset(hash, RARRAY_AREF(key_value_pair, 0), RARRAY_AREF(key_value_pair, 1)); } return hash; } @@ -512,12 +512,19 @@ enum_to_a(int argc, VALUE *argv, VALUE obj) static VALUE enum_to_h_i(RB_BLOCK_CALL_FUNC_ARGLIST(i, hash)) { + VALUE key_value_pair; ENUM_WANT_SVALUE(); rb_thread_check_ints(); - i = rb_check_array_type(i); - if (!NIL_P(i) && RARRAY_LEN(i) == 2) { - rb_hash_aset(hash, RARRAY_AREF(i, 0), RARRAY_AREF(i, 1)); + key_value_pair = rb_check_array_type(i); + if (NIL_P(key_value_pair)) { + rb_raise(rb_eTypeError, "wrong element type %s (expected array)", + rb_builtin_class_name(i)); } + if (RARRAY_LEN(key_value_pair) != 2) { + rb_raise(rb_eArgError, "element has wrong array length (expected 2, was %ld)", + RARRAY_LEN(key_value_pair)); + } + rb_hash_aset(hash, RARRAY_AREF(key_value_pair, 0), RARRAY_AREF(key_value_pair, 1)); return Qnil; } @@ -526,8 +533,7 @@ enum_to_h_i(RB_BLOCK_CALL_FUNC_ARGLIST(i, hash)) * enum.to_h(*args) -> hash * * Returns the result of interpreting <i>enum</i> as a list of - * <tt>[key, value]</tt> pairs. Elements other than pairs of - * values are ignored. + * <tt>[key, value]</tt> pairs. * * %i[hello world].each_with_index.to_h * # => {:hello => 0, :world => 1} diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb index 526fcabb1b..b648c404ed 100644 --- a/test/ruby/test_array.rb +++ b/test/ruby/test_array.rb @@ -1467,12 +1467,18 @@ class TestArray < Test::Unit::TestCase end array = [ [:key, :value], - [:ignore_me], - [:ignore, :me, :too], - :ignore_me, kvp, ] assert_equal({key: :value, obtained: :via_to_ary}, array.to_h) + + e = assert_raise(TypeError) { + [[:first_one, :ok], :not_ok].to_h + } + assert_equal "wrong element type Symbol at 1 (expected array)", e.message + e = assert_raise(ArgumentError) { + [[:first_one, :ok], [1, 2], [:not_ok]].to_h + } + assert_equal "wrong array length at 2 (expected 2, was 1)", e.message end def test_uniq diff --git a/test/ruby/test_enum.rb b/test/ruby/test_enum.rb index b86ae274d1..3ee6846b33 100644 --- a/test/ruby/test_enum.rb +++ b/test/ruby/test_enum.rb @@ -104,17 +104,11 @@ class TestEnumerable < Test::Unit::TestCase end def test_to_h - assert_equal({}, @obj.to_h) obj = Object.new def obj.each(*args) - yield args + yield *args yield [:key, :value] - yield [:ignore_me] - yield [:ignore, :me, :too] yield :other_key, :other_value - yield :ignore_me - yield :ignore, :me, :too - yield kvp = Object.new def kvp.to_ary [:obtained, :via_to_ary] @@ -128,6 +122,16 @@ class TestEnumerable < Test::Unit::TestCase :other_key => :other_value, :obtained => :via_to_ary, }, obj.to_h(:hello, :world)) + + e = assert_raise(TypeError) { + obj.to_h(:not_an_array) + } + assert_equal "wrong element type Symbol (expected array)", e.message + + e = assert_raise(ArgumentError) { + obj.to_h([1]) + } + assert_equal "element has wrong array length (expected 2, was 1)", e.message end def test_inject |