From 7e6e7efb649a1dec5d708e4a9d191dd759c12380 Mon Sep 17 00:00:00 2001
From: Jim Lawson
Date: Mon, 6 Nov 2017 09:28:46 -0800
Subject: Update InvalidateAPISpec tests. (#714)

Use DontCare on `outs` not `ins` in InvalidateAPISpec.
Add additional InvalidateAPISpec tests demonstrating selective override of Strict/NotStrict behavior.---
 src/test/scala/chiselTests/InvalidateAPISpec.scala | 50 ++++++++++++++++++++--
 1 file changed, 47 insertions(+), 3 deletions(-)

diff --git a/src/test/scala/chiselTests/InvalidateAPISpec.scala b/src/test/scala/chiselTests/InvalidateAPISpec.scala
index 7176c654..87a69fe0 100644
--- a/src/test/scala/chiselTests/InvalidateAPISpec.scala
+++ b/src/test/scala/chiselTests/InvalidateAPISpec.scala
@@ -66,13 +66,13 @@ class InvalidateAPISpec extends ChiselPropSpec with Matchers {
     val nElements = 5
     class ModuleWithoutDontCare extends Module {
       val io = IO(new Bundle {
-        val ins = Input(Vec(nElements, Bool()))
+        val outs = Output(Vec(nElements, Bool()))
       })
-      io.ins <> DontCare
+      io.outs <> DontCare
     }
     val firrtlOutput = myGenerateFirrtl(new ModuleWithoutDontCare)
     for (i <- 0 until nElements)
-     firrtlOutput should include(s"io.ins[$i] is invalid")
+     firrtlOutput should include(s"io.outs[$i] is invalid")
   }
 
   property("a Vec with a DontCare should emit a Firrtl \"is invalid\" with Strict CompileOptions and mono connect") {
@@ -161,4 +161,48 @@ class InvalidateAPISpec extends ChiselPropSpec with Matchers {
 
     compileFirrtl(new ModuleWithConditionalAndOtherwiseAssignment)
   }
+
+  property("an output without a DontCare should NOT emit a Firrtl \"is invalid\" with overriden NotStrict CompileOptions") {
+    import chisel3.core.ExplicitCompileOptions.NotStrict
+    class ModuleWithoutDontCare extends Module {
+      override val compileOptions = chisel3.core.ExplicitCompileOptions.NotStrict.copy(explicitInvalidate = true)
+      val io = IO(new TrivialInterface)
+      io.out := io.in
+    }
+    val firrtlOutput = myGenerateFirrtl(new ModuleWithoutDontCare)
+    firrtlOutput should not include("is invalid")
+  }
+
+  property("an output without a DontCare should NOT emit a Firrtl \"is invalid\" with overriden NotStrict CompileOptions module definition") {
+    import chisel3.core.ExplicitCompileOptions.NotStrict
+    abstract class ExplicitInvalidateModule extends Module()(chisel3.core.ExplicitCompileOptions.NotStrict.copy(explicitInvalidate = true))
+    class ModuleWithoutDontCare extends ExplicitInvalidateModule {
+      val io = IO(new TrivialInterface)
+      io.out := io.in
+    }
+    val firrtlOutput = myGenerateFirrtl(new ModuleWithoutDontCare)
+    firrtlOutput should not include("is invalid")
+  }
+
+  property("an output without a DontCare should emit a Firrtl \"is invalid\" with overriden Strict CompileOptions") {
+    import chisel3.core.ExplicitCompileOptions.Strict
+    class ModuleWithoutDontCare extends Module {
+      override val compileOptions = chisel3.core.ExplicitCompileOptions.Strict.copy(explicitInvalidate = false)
+      val io = IO(new TrivialInterface)
+      io.out := io.in
+    }
+    val firrtlOutput = myGenerateFirrtl(new ModuleWithoutDontCare)
+    firrtlOutput should include("is invalid")
+  }
+
+  property("an output without a DontCare should emit a Firrtl \"is invalid\" with overriden Strict CompileOptions module definition") {
+    import chisel3.core.ExplicitCompileOptions.Strict
+    abstract class ImplicitInvalidateModule extends Module()(chisel3.core.ExplicitCompileOptions.NotStrict.copy(explicitInvalidate = false))
+    class ModuleWithoutDontCare extends ImplicitInvalidateModule {
+      val io = IO(new TrivialInterface)
+      io.out := io.in
+    }
+    val firrtlOutput = myGenerateFirrtl(new ModuleWithoutDontCare)
+    firrtlOutput should include("is invalid")
+  }
 }
-- 
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