From f0beb8e9efb57dc4aef08103426bd28cf8445147 Mon Sep 17 00:00:00 2001
From: Richard Lin
Date: Mon, 11 Jun 2018 15:05:36 -0700
Subject: Allow escaped single quotes in RawParams (#820)

Escape raw params using \'
---
 .../blackboxes/ParameterizedExtModuleTester.fir    |  2 +-
 src/test/scala/firrtlTests/ExtModuleTests.scala    | 27 ++++++++++++++++++++++
 2 files changed, 28 insertions(+), 1 deletion(-)
 create mode 100644 src/test/scala/firrtlTests/ExtModuleTests.scala

(limited to 'src/test')

diff --git a/src/test/resources/blackboxes/ParameterizedExtModuleTester.fir b/src/test/resources/blackboxes/ParameterizedExtModuleTester.fir
index 3167cded..b6771bd5 100644
--- a/src/test/resources/blackboxes/ParameterizedExtModuleTester.fir
+++ b/src/test/resources/blackboxes/ParameterizedExtModuleTester.fir
@@ -15,7 +15,7 @@ circuit ParameterizedExtModuleTester :
     output bar : UInt<16>
 
     defname = ParameterizedExtModule
-    parameter VALUE = 2
+    parameter VALUE = '2\'d2'
     parameter STRING = "two"
     parameter REAL = 2.6E50
     parameter TYP = 'bit [1:0]'
diff --git a/src/test/scala/firrtlTests/ExtModuleTests.scala b/src/test/scala/firrtlTests/ExtModuleTests.scala
new file mode 100644
index 00000000..89c13b5e
--- /dev/null
+++ b/src/test/scala/firrtlTests/ExtModuleTests.scala
@@ -0,0 +1,27 @@
+// See LICENSE for license details.
+
+package firrtlTests
+
+import org.scalatest.Matchers
+import firrtl._
+
+class ExtModuleTests extends FirrtlFlatSpec {
+  "extmodule" should "serialize and re-parse equivalently" in {
+    val input =
+      """circuit Top :
+        |  extmodule Top :
+        |    input y : UInt<0>
+        |    output x : UInt<1>
+        |
+        |    defname = ParameterizedExtModule
+        |    parameter VALUE = 1
+        |    parameter VALUE2 = '2\'d2'
+        |    parameter STRING = "one"
+        |    parameter REAL = -1.7
+        |    parameter TYP = 'bit'
+        |    """.stripMargin
+    val parsed = parse(input)
+    (parse(parsed.serialize)) should be (parsed)
+  }
+}
+
-- 
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