1 files changed, 63 insertions, 0 deletions
diff --git a/core/src/test/scala/forge/MacroErrorTests.scala b/core/src/test/scala/forge/MacroErrorTests.scala
new file mode 100644
index 00000000..29f68f4d
--- /dev/null
+++ b/core/src/test/scala/forge/MacroErrorTests.scala
@@ -0,0 +1,63 @@
+package forge
+
+import utest._
+
+object MacroErrorTests extends TestSuite{
+
+  val tests = Tests{
+
+    'errors{
+      val expectedMsg =
+        "T{} members defined in a Cacher class/trait/object body must be defs"
+
+      val err = compileError("object Foo extends Target.Cacher{ val x = T{1} }")
+      assert(err.msg == expectedMsg)
+    }
+    'badTmacro - {
+      // Make sure we can reference values from outside the T{...} block as part
+      // of our `Target#apply()` calls, but we cannot reference any values that
+      // come from inside the T{...} block
+      'pos - {
+        val a = T{ 1 }
+        val arr = Array(a)
+        val b = {
+          val c = 0
+          T{
+            arr(c)()
+          }
+        }
+      }
+      'neg - {
+
+        val expectedMsg =
+          "Target#apply() call cannot use `value n` defined within the T{...} block"
+        val err = compileError("""{
+          val a = T{ 1 }
+          val arr = Array(a)
+          val b = {
+            T{
+              val n = 0
+              arr(n)()
+            }
+          }
+        }""")
+        assert(err.msg == expectedMsg)
+      }
+      'neg2 - {
+
+        val expectedMsg =
+          "Target#apply() call cannot use `value x` defined within the T{...} block"
+        val err = compileError("""{
+          val a = T{ 1 }
+          val arr = Array(a)
+          val b = {
+            T{
+              arr.map{x => x()}
+            }
+          }
+        }""")
+        assert(err.msg == expectedMsg)
+      }
+    }
+  }
+}