diff options
| -rw-r--r-- | src/numeric.c | 2 | ||||
| -rw-r--r-- | test/t/integer.rb | 3 |
2 files changed, 4 insertions, 1 deletions
diff --git a/src/numeric.c b/src/numeric.c index 38a05ae92..0927abee2 100644 --- a/src/numeric.c +++ b/src/numeric.c @@ -1131,10 +1131,10 @@ mrb_fixnum_plus(mrb_state *mrb, mrb_value x, mrb_value y) mrb_int a; a = mrb_fixnum(x); - if (a == 0) return y; if (mrb_fixnum_p(y)) { mrb_int b, c; + if (a == 0) return y; b = mrb_fixnum(y); c = a + b; if (((a < 0) ^ (b < 0)) == 0 && (a < 0) != (c < 0)) { diff --git a/test/t/integer.rb b/test/t/integer.rb index 2bffce5a9..f7a9eb8dd 100644 --- a/test/t/integer.rb +++ b/test/t/integer.rb @@ -15,6 +15,9 @@ assert('Integer#+', '15.2.8.3.1') do assert_equal 2, a assert_equal 2.0, b + + assert_raise(TypeError){ 0+nil } + assert_raise(TypeError){ 1+nil } end assert('Integer#-', '15.2.8.3.2') do |