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author | teldosas <teldosas@gmail.com> | 2017-02-01 02:32:10 +0200 |
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committer | teldosas <teldosas@gmail.com> | 2017-02-01 02:32:10 +0200 |
commit | 6864d32fbd903ce67d43ef9e0b9f011baabc8695 (patch) | |
tree | a18077f9c72ffa80e076fb91b5c5336574b6a37b /test | |
parent | b9d4089d19ead36d07c2d6cdda283c9b678d515e (diff) | |
download | scala-6864d32fbd903ce67d43ef9e0b9f011baabc8695.tar.gz scala-6864d32fbd903ce67d43ef9e0b9f011baabc8695.tar.bz2 scala-6864d32fbd903ce67d43ef9e0b9f011baabc8695.zip |
Add warning about non-sensible equals in anonymous functions
Diffstat (limited to 'test')
-rw-r--r-- | test/files/neg/t9675.check | 27 | ||||
-rw-r--r-- | test/files/neg/t9675.flags | 1 | ||||
-rw-r--r-- | test/files/neg/t9675.scala | 24 |
3 files changed, 52 insertions, 0 deletions
diff --git a/test/files/neg/t9675.check b/test/files/neg/t9675.check new file mode 100644 index 0000000000..255477499c --- /dev/null +++ b/test/files/neg/t9675.check @@ -0,0 +1,27 @@ +t9675.scala:4: warning: comparing values of types Test.A and String using `!=' will always yield true + val func1 = (x: A) => { x != "x" } + ^ +t9675.scala:6: warning: comparing values of types Test.A and String using `!=' will always yield true + val func2 = (x: A) => { x != "x" }: Boolean + ^ +t9675.scala:8: warning: comparing values of types Test.A and String using `!=' will always yield true + val func3: Function1[A, Boolean] = (x) => { x != "x" } + ^ +t9675.scala:11: warning: comparing values of types Test.A and String using `!=' will always yield true + def apply(x: A): Boolean = { x != "x" } + ^ +t9675.scala:14: warning: comparing values of types Test.A and String using `!=' will always yield true + def method(x: A): Boolean = { x != "x" } + ^ +t9675.scala:18: warning: comparing values of types Test.A and String using `!=' will always yield true + A("x") != "x" + ^ +t9675.scala:20: warning: comparing values of types Test.A and String using `!=' will always yield true + val func5: Function1[A, Boolean] = (x) => { x != "x" } + ^ +t9675.scala:22: warning: comparing values of types Test.A and String using `!=' will always yield true + List(A("x")).foreach((item: A) => item != "x") + ^ +error: No warnings can be incurred under -Xfatal-warnings. +8 warnings found +one error found diff --git a/test/files/neg/t9675.flags b/test/files/neg/t9675.flags new file mode 100644 index 0000000000..85d8eb2ba2 --- /dev/null +++ b/test/files/neg/t9675.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/test/files/neg/t9675.scala b/test/files/neg/t9675.scala new file mode 100644 index 0000000000..f76b74b6ac --- /dev/null +++ b/test/files/neg/t9675.scala @@ -0,0 +1,24 @@ +object Test { + case class A(x: String) + + val func1 = (x: A) => { x != "x" } + + val func2 = (x: A) => { x != "x" }: Boolean + + val func3: Function1[A, Boolean] = (x) => { x != "x" } + + val func4 = new Function1[A, Boolean] { + def apply(x: A): Boolean = { x != "x" } + } + + def method(x: A): Boolean = { x != "x" } + case class PersonInfo(rankPayEtc: Unit) + + def main(args: Array[String]) { + A("x") != "x" + + val func5: Function1[A, Boolean] = (x) => { x != "x" } + + List(A("x")).foreach((item: A) => item != "x") + } +} |