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changeset 191:1141702908dc

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We're going to want truncatedTo (perhaps under a different name) to be able to extend a stream as well. Add a test for this (currently failing)
author Chris Cannam
date Mon, 06 May 2013 08:42:44 +0100
parents 528f16f988d8
children a6889d4314b1
files yetilab/stream/test/test_filter.yeti
diffstat 1 files changed, 18 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/yetilab/stream/test/test_filter.yeti	Sun May 05 18:24:00 2013 +0100
+++ b/yetilab/stream/test/test_filter.yeti	Mon May 06 08:42:44 2013 +0100
@@ -11,7 +11,6 @@
 [
 
 "truncatedTo": \(
-    // nb the basic generated function is tested in test_syntheticstream
     str = filt.truncatedTo 3 (syn.generated 2 id);
     compare str.position 0 and
         compare str.channels 1 and
@@ -25,6 +24,24 @@
         ( str.close (); true )
 ),
 
+"extendedTo": \(
+    str = filt.truncatedTo 5 (filt.truncatedTo 3 (syn.generated 2 id));
+    compare str.position 0 and
+        compare str.channels 1 and
+        compare str.sampleRate 2 and
+        compare str.available (Known 5) and
+        compare str.finished? false and
+        compare (bl.list ((str.read 4).getRow 0)) [ 0,1,2,0 ] and
+        compare str.position 4 and
+        compare str.available (Known 1) and
+        compare str.finished? false and
+        compare (bl.list ((str.read 2).getRow 0)) [ 0,0 ] and
+        compare str.position 5 and
+        compare str.available (Known 0) and
+        compare str.finished? true and
+        ( str.close (); true )
+),
+
 "delayedBy-0-3": \(
     str = filt.delayedBy 0 (filt.truncatedTo 3 (syn.generated 2 id));
     compare str.position 0 and