Merge pull request #285 from ucb-bar/cookbook-tests

Add Cookbook tests

1 files changed, 30 insertions, 0 deletions

diff --git a/src/test/scala/cookbook/UInt2Bundle.scala b/src/test/scala/cookbook/UInt2Bundle.scala
new file mode 100644
index 00000000..fbf7fe8a
--- /dev/null
+++ b/src/test/scala/cookbook/UInt2Bundle.scala
@@ -0,0 +1,30 @@
+// See LICENSE for license details.
+
+package cookbook
+
+import chisel3._
+
+/* ### How do I create a Bundle from a UInt?
+ *
+ * On an instance of the Bundle, call the method fromBits with the UInt as the argument
+ */
+class UInt2Bundle extends CookbookTester(0) {
+  // Example
+  class MyBundle extends Bundle {
+    val foo = UInt(width = 4)
+    val bar = UInt(width = 4)
+  }
+  val uint = UInt(0xb4)
+  val bundle = (new MyBundle).fromBits(uint)
+  printf(p"$bundle") // Bundle(foo -> 11, bar -> 4)
+
+  // Test
+  assert(bundle.foo === UInt(0xb))
+  assert(bundle.bar === UInt(0x4))
+}
+
+class UInt2BundleSpec extends CookbookSpec {
+  "UInt2Bundle" should "work" in {
+    assertTesterPasses { new UInt2Bundle }
+  }
+}