Ensure names work for bundles and literals. (#853)

Fixes #852

1 files changed, 54 insertions, 0 deletions

diff --git a/src/test/scala/chiselTests/InstanceNameSpec.scala b/src/test/scala/chiselTests/InstanceNameSpec.scala
new file mode 100644
index 00000000..30dc46ba
--- /dev/null
+++ b/src/test/scala/chiselTests/InstanceNameSpec.scala
@@ -0,0 +1,54 @@
+// See LICENSE for license details.
+
+package chiselTests
+
+import chisel3._
+import chisel3.experimental.{DataMirror, FixedPoint}
+import chisel3.testers.BasicTester
+
+class InstanceNameModule extends Module {
+  val io = IO(new Bundle {
+    val foo = Input(UInt(32.W))
+    val bar = Output(UInt(32.W))
+  })
+  val x = 3.U
+  val y = UInt(8.W)
+  val z = new Bundle {
+    val foo = UInt(8.W)
+  }
+
+  val q = Module(new util.Queue(UInt(32.W), 4))
+
+  io.bar := io.foo + x
+}
+
+class InstanceNameSpec extends ChiselFlatSpec {
+  behavior of "instanceName"
+  val moduleName = "InstanceNameModule"
+  var m: InstanceNameModule = _
+  elaborate { m = new InstanceNameModule; m }
+
+  it should "work with module IO" in {
+    val io = m.io.pathName
+    assert(io == moduleName + ".io")
+  }
+
+  it should "work with internal vals" in {
+    val x = m.x.pathName
+    val y = m.y.pathName
+    val z = m.z.pathName
+    assert(x == moduleName + ".UInt<2>(\"h03\")")
+    assert(y == moduleName + ".y")
+    assert(z == moduleName + ".z")
+  }
+
+  it should "work with bundle elements" in {
+    val foo = m.z.foo.pathName
+    assert(foo == moduleName + ".z.foo")
+  }
+
+  it should "work with modules" in {
+    val q = m.q.pathName
+    assert(q == moduleName + ".q")
+  }
+}