Merge pull request #95 from ucb-bar/flipped

Add Flipped trait; fix DeqIO, this fix looks good to go

1 files changed, 60 insertions, 0 deletions

diff --git a/src/test/scala/chiselTests/DeqIOSpec.scala b/src/test/scala/chiselTests/DeqIOSpec.scala
new file mode 100644
index 00000000..8f7937ab
--- /dev/null
+++ b/src/test/scala/chiselTests/DeqIOSpec.scala
@@ -0,0 +1,60 @@
+// See LICENSE for license details.
+
+package chiselTests
+
+import Chisel._
+import Chisel.testers.BasicTester
+
+/**
+  * Created by chick on 2/8/16.
+  */
+class UsesDeqIOInfo extends Bundle {
+  val test_width = 32
+
+  val info_data = UInt(width = test_width)
+}
+
+class UsesDeqIO extends Module {
+  val io = new Bundle {
+    val in = new DeqIO(new UsesDeqIOInfo)
+    val out = new EnqIO(new UsesDeqIOInfo)
+  }
+}
+
+class DeqIOSpec extends ChiselFlatSpec {
+  runTester {
+    new BasicTester {
+      val dut = new UsesDeqIO
+
+      "DeqIO" should "set the direction of it's parameter to INPUT" in {
+        assert(dut.io.in.bits.info_data.dir === INPUT)
+      }
+      "DeqIO" should "create a valid input and ready output" in {
+        assert(dut.io.in.valid.dir === INPUT)
+        assert(dut.io.in.ready.dir === OUTPUT)
+      }
+      "EnqIO" should "set the  direction of it's parameter OUTPUT" in {
+        assert(dut.io.out.bits.info_data.dir === OUTPUT)
+      }
+      "EnqIO" should "create a valid input and ready output" in {
+        assert(dut.io.out.valid.dir === OUTPUT)
+        assert(dut.io.out.ready.dir === INPUT)
+      }
+
+      val in_clone = dut.io.in.cloneType
+      val out_clone = dut.io.out.cloneType
+
+      "A deqIO device" should "clone itself with it's directions intact" in {
+        assert(dut.io.in.bits.info_data.dir == in_clone.bits.info_data.dir)
+        assert(dut.io.in.ready.dir == in_clone.ready.dir)
+        assert(dut.io.in.valid.dir == in_clone.valid.dir)
+      }
+
+      "A enqIO device" should "clone itself with it's directions intact" in {
+        assert(dut.io.out.bits.info_data.dir == out_clone.bits.info_data.dir)
+        assert(dut.io.out.ready.dir == out_clone.ready.dir)
+        assert(dut.io.out.valid.dir == out_clone.valid.dir)
+      }
+    }
+  }
+}