Add spec for Java exception bubbling out of Thread#join and value.

headius · headius · commit 03026bf5d330 · 2018-04-11T18:42:47.000-05:00
See #2354.
diff --git a/spec/java_integration/exceptions/thread_spec.rb b/spec/java_integration/exceptions/thread_spec.rb
@@ -0,0 +1,24 @@
+require File.dirname(__FILE__) + "/../spec_helper"
+
+describe "A Java exception bubbling out of a Ruby Thread" do
+  it "propagates out of Thread#join" do
+    t = Thread.new { raise java.lang.NullPointerException.new }
+    begin
+      t.join
+      fail "should not reach here"
+    rescue => e
+      expect(e.class).to equal(java.lang.NullPointerException)
+    end
+  end
+
+  it "propagates out of Thread#value" do
+    t = Thread.new { raise java.lang.NullPointerException.new }
+    begin
+      Thread.pass while t.status
+      t.value
+      fail "should not reach here"
+    rescue => e
+      expect(e.class).to equal(java.lang.NullPointerException)
+    end
+  end
+end
