summaryrefslogtreecommitdiff
path: root/src/test/scala/chiselTests/UIntOps.scala
diff options
context:
space:
mode:
authorJack Koenig2021-09-17 21:01:26 -0700
committerJack Koenig2021-09-17 21:01:26 -0700
commit5c8c19345e6711279594cf1f9ddab33623c8eba7 (patch)
treed9d6ced3934aa4a8be3dec19ddcefe50a7a93d5a /src/test/scala/chiselTests/UIntOps.scala
parente63b9667d89768e0ec6dc8a9153335cb48a213a7 (diff)
parent958904cb2f2f65d02b2ab3ec6d9ec2e06d04e482 (diff)
Merge branch 'master' into 3.5-release
Diffstat (limited to 'src/test/scala/chiselTests/UIntOps.scala')
-rw-r--r--src/test/scala/chiselTests/UIntOps.scala33
1 files changed, 33 insertions, 0 deletions
diff --git a/src/test/scala/chiselTests/UIntOps.scala b/src/test/scala/chiselTests/UIntOps.scala
index bba06d11..62d00de2 100644
--- a/src/test/scala/chiselTests/UIntOps.scala
+++ b/src/test/scala/chiselTests/UIntOps.scala
@@ -153,4 +153,37 @@ class UIntOpsSpec extends ChiselPropSpec with Matchers with Utils {
io.out := io.in.asBools()(2)
})
}
+
+ // We use WireDefault with 2 arguments because of
+ // https://www.chisel-lang.org/api/3.4.1/chisel3/WireDefault$.html
+ // Single Argument case 2
+ property("modulo divide should give min width of arguments") {
+ assertKnownWidth(4) {
+ val x = WireDefault(UInt(8.W), DontCare)
+ val y = WireDefault(UInt(4.W), DontCare)
+ val op = x % y
+ WireDefault(chiselTypeOf(op), op)
+ }
+ assertKnownWidth(4) {
+ val x = WireDefault(UInt(4.W), DontCare)
+ val y = WireDefault(UInt(8.W), DontCare)
+ val op = x % y
+ WireDefault(chiselTypeOf(op), op)
+ }
+ }
+
+ property("division should give the width of the numerator") {
+ assertKnownWidth(8) {
+ val x = WireDefault(UInt(8.W), DontCare)
+ val y = WireDefault(UInt(4.W), DontCare)
+ val op = x / y
+ WireDefault(chiselTypeOf(op), op)
+ }
+ assertKnownWidth(4) {
+ val x = WireDefault(UInt(4.W), DontCare)
+ val y = WireDefault(UInt(8.W), DontCare)
+ val op = x / y
+ WireDefault(chiselTypeOf(op), op)
+ }
+ }
}