1 files changed, 41 insertions, 0 deletions
diff --git a/src/test/scala/firrtlTests/ExecutionOptionsManagerSpec.scala b/src/test/scala/firrtlTests/ExecutionOptionsManagerSpec.scala
new file mode 100644
index 00000000..ef5617c9
--- /dev/null
+++ b/src/test/scala/firrtlTests/ExecutionOptionsManagerSpec.scala
@@ -0,0 +1,41 @@
+// See LICENSE for license details.
+
+package firrtlTests
+
+import firrtl._
+import org.scalatest.{Matchers, FreeSpec}
+
+class ExecutionOptionsManagerSpec extends FreeSpec with Matchers {
+  "ExecutionOptionsManager is a container for one more more ComposableOptions Block" - {
+    "It has a default CommonOptionsBlock" in {
+      val manager = new ExecutionOptionsManager("test")
+      manager.commonOptions.targetDirName should be (".")
+    }
+    "But can override defaults like this" in {
+      val manager = new ExecutionOptionsManager("test") { commonOptions = CommonOptions(topName = "dog") }
+      manager.commonOptions shouldBe a [CommonOptions]
+      manager.topName should be ("dog")
+      manager.commonOptions.topName should be ("dog")
+    }
+    "The add method should put a new version of a given type the manager" in {
+      val manager = new ExecutionOptionsManager("test") { commonOptions = CommonOptions(topName = "dog") }
+      val initialCommon = manager.commonOptions
+      initialCommon.topName should be ("dog")
+
+      manager.commonOptions = CommonOptions(topName = "cat")
+
+      val afterCommon = manager.commonOptions
+      afterCommon.topName should be ("cat")
+      initialCommon.topName should be ("dog")
+    }
+    "multiple composable blocks should be separable" in {
+      val manager = new ExecutionOptionsManager("test") with HasFirrtlOptions {
+        commonOptions = CommonOptions(topName = "spoon")
+        firrtlOptions = FirrtlExecutionOptions(inputFileNameOverride = "fork")
+      }
+
+      manager.firrtlOptions.inputFileNameOverride should be ("fork")
+      manager.commonOptions.topName should be ("spoon")
+    }
+  }
+}