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| author | Adriaan Moors <adriaan.moors@epfl.ch> | 2009-10-27 10:23:01 +0000 |
|---|---|---|
| committer | Adriaan Moors <adriaan.moors@epfl.ch> | 2009-10-27 10:23:01 +0000 |
| commit | 38c3ca67563a68e8f30fd84282b1b9c4cebadeaa (patch) | |
| tree | 5c6dbdef9f540e986110fb739227bfa0a78acce9 /test/files | |
| parent | 42a42ac0c346d48594958ac80d5eb814b8aa0c39 (diff) | |
| download | scala-38c3ca67563a68e8f30fd84282b1b9c4cebadeaa.tar.gz scala-38c3ca67563a68e8f30fd84282b1b9c4cebadeaa.tar.bz2 scala-38c3ca67563a68e8f30fd84282b1b9c4cebadeaa.zip | |
fixed bug in Stream::flatMap (still optimised a...
fixed bug in Stream::flatMap (still optimised as it was needed for
correctness --> added regression tests for corresponding tickets)
Diffstat (limited to 'test/files')
| -rw-r--r-- | test/files/run/stream_flatmap_odds.check | 1 | ||||
| -rw-r--r-- | test/files/run/stream_flatmap_odds.scala | 4 | ||||
| -rw-r--r-- | test/files/run/t153.check | 1 | ||||
| -rw-r--r-- | test/files/run/t153.scala | 5 | ||||
| -rw-r--r-- | test/files/run/t498.check | 1 | ||||
| -rw-r--r-- | test/files/run/t498.scala | 5 |
6 files changed, 17 insertions, 0 deletions
diff --git a/test/files/run/stream_flatmap_odds.check b/test/files/run/stream_flatmap_odds.check new file mode 100644 index 0000000000..2b945e7c64 --- /dev/null +++ b/test/files/run/stream_flatmap_odds.check @@ -0,0 +1 @@ +Stream(1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83) diff --git a/test/files/run/stream_flatmap_odds.scala b/test/files/run/stream_flatmap_odds.scala new file mode 100644 index 0000000000..ed1a537bd9 --- /dev/null +++ b/test/files/run/stream_flatmap_odds.scala @@ -0,0 +1,4 @@ +object Test extends Application { + lazy val odds: Stream[Int] = Stream(1) append ( odds flatMap {x => Stream(x + 2)} ) + println(odds take 42 force) +}
\ No newline at end of file diff --git a/test/files/run/t153.check b/test/files/run/t153.check new file mode 100644 index 0000000000..504fd7fc7f --- /dev/null +++ b/test/files/run/t153.check @@ -0,0 +1 @@ +Stream(524288, 262144, 131072, 65536, 32768, 16384, 8192, 4096, 2048, 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 1) diff --git a/test/files/run/t153.scala b/test/files/run/t153.scala new file mode 100644 index 0000000000..c7b3c1c762 --- /dev/null +++ b/test/files/run/t153.scala @@ -0,0 +1,5 @@ +object Test extends Application { + def powers(x: Int) = if ((x&(x-1))==0) Some(x) else None + val res = (Stream.range(1, 1000000) flatMap powers).reverse + println(res take 42 force) +}
\ No newline at end of file diff --git a/test/files/run/t498.check b/test/files/run/t498.check new file mode 100644 index 0000000000..b1ce75e80b --- /dev/null +++ b/test/files/run/t498.check @@ -0,0 +1 @@ +Stream(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1) diff --git a/test/files/run/t498.scala b/test/files/run/t498.scala new file mode 100644 index 0000000000..50be317c4c --- /dev/null +++ b/test/files/run/t498.scala @@ -0,0 +1,5 @@ +object Test extends Application { +// the function passed to flatMap produces lots of empty streams, but this should not overflow the stack + val res = Stream.from(1).flatMap(i => if (i < 3000) Stream.empty else List(1)) + println(res take 42 force) +}
\ No newline at end of file |