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author | Jason Zaugg <jzaugg@gmail.com> | 2015-07-07 09:59:24 +1000 |
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committer | Jason Zaugg <jzaugg@gmail.com> | 2015-07-07 09:59:24 +1000 |
commit | 30cc2c51036bb0d1bc3c53ff600bfbe62a8be542 (patch) | |
tree | 47878152146195ddebfec389877dfcef09bf8c23 /src/test/scala/scala/async/run/WarningsSpec.scala | |
parent | d7914c3879cbe832b640c07a24ee6941fa545928 (diff) | |
parent | e1377aa06ffe817d15315bbce3a6a636f2dd1f0e (diff) | |
download | scala-async-30cc2c51036bb0d1bc3c53ff600bfbe62a8be542.tar.gz scala-async-30cc2c51036bb0d1bc3c53ff600bfbe62a8be542.tar.bz2 scala-async-30cc2c51036bb0d1bc3c53ff600bfbe62a8be542.zip |
Merge pull request #115 from retronym/backport/74v0.9.4_2.10
Avoid compiler warning when awaiting Future[Unit]
Diffstat (limited to 'src/test/scala/scala/async/run/WarningsSpec.scala')
-rw-r--r-- | src/test/scala/scala/async/run/WarningsSpec.scala | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/test/scala/scala/async/run/WarningsSpec.scala b/src/test/scala/scala/async/run/WarningsSpec.scala new file mode 100644 index 0000000..3a7843a --- /dev/null +++ b/src/test/scala/scala/async/run/WarningsSpec.scala @@ -0,0 +1,35 @@ +/* + * Copyright (C) 2012-2014 Typesafe Inc. <http://www.typesafe.com> + */ + +package scala.async +package run + +import org.junit.Test + +import scala.async.internal.AsyncId +import scala.concurrent.Await +import scala.concurrent.duration._ +import scala.language.{postfixOps, reflectiveCalls} + + +class WarningsSpec { + + @Test + // https://github.com/scala/async/issues/74 + def noPureExpressionInStatementPositionWarning_t74() { + val tb = mkToolbox(s"-cp ${toolboxClasspath} -Xfatal-warnings") + // was: "a pure expression does nothing in statement position; you may be omitting necessary parentheses" + tb.eval(tb.parse { + """ + | import scala.async.internal.AsyncId._ + | async { + | if ("".isEmpty) { + | await(println("hello")) + | () + | } else 42 + | } + """.stripMargin + }) + } +} |