diff options
| -rw-r--r-- | bootstraptest/test_ractor.rb | 9 | ||||
| -rw-r--r-- | ractor.rb | 2 |
2 files changed, 11 insertions, 0 deletions
diff --git a/bootstraptest/test_ractor.rb b/bootstraptest/test_ractor.rb index d3ff65ae21..d89bf108c1 100644 --- a/bootstraptest/test_ractor.rb +++ b/bootstraptest/test_ractor.rb @@ -163,6 +163,15 @@ assert_equal 30.times.map { 'ok' }.to_s, %q{ } } unless ENV['RUN_OPTS'] =~ /--jit-min-calls=5/ # This always fails with --jit-wait --jit-min-calls=5 +# Exception for empty select +assert_match /specify at least one ractor/, %q{ + begin + Ractor.select + rescue ArgumentError => e + e.message + end +} + # Outgoing port of a ractor will be closed when the Ractor is terminated. assert_equal 'ok', %q{ r = Ractor.new do @@ -71,6 +71,8 @@ class Ractor # # and r is :yield # def self.select(*ractors, yield_value: yield_unspecified = true, move: false) + raise ArgumentError, 'specify at least one ractor or `yield_value`' if yield_unspecified && ractors.empty? + __builtin_cstmt! %q{ const VALUE *rs = RARRAY_CONST_PTR_TRANSIENT(ractors); VALUE rv; |