diff options
| author | Jack Koenig | 2021-09-17 21:01:26 -0700 |
|---|---|---|
| committer | Jack Koenig | 2021-09-17 21:01:26 -0700 |
| commit | 5c8c19345e6711279594cf1f9ddab33623c8eba7 (patch) | |
| tree | d9d6ced3934aa4a8be3dec19ddcefe50a7a93d5a /src/test/scala/chiselTests/UIntOps.scala | |
| parent | e63b9667d89768e0ec6dc8a9153335cb48a213a7 (diff) | |
| parent | 958904cb2f2f65d02b2ab3ec6d9ec2e06d04e482 (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.scala | 33 |
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) + } + } } |
