Add TypeMap with test.

tests/Run.hx

@@ -11,6 +11,7 @@ class Run {
     new Exprs(),
     new Types(),
     new Positions(),
+    new TypeMapTest(),
   ];
   #end
   macro static function test() {

tests/TypeMapTest.hx

@@ -0,0 +1,30 @@
+package;
+
+import haxe.unit.TestCase;
+
+import tink.macro.TypeMap;
+using haxe.macro.Context;
+
+class TypeMapTest extends TestCase {
+
+  function testMap() {
+    var t = new TypeMap();
+    var t1 = (macro [{ foo: [{ bar: '5' }]}]).typeof();
+    var t2 = (macro [{ foo: [{ bar: 5 }]}]).typeof();
+    
+    t.set(t1, 0);
+    assertEquals(Lambda.count(t), 1);
+    t.set(t2, 1);
+    assertEquals(Lambda.count(t), 2);
+    t.set(t1, 2);
+    assertEquals(Lambda.count(t), 2);
+    t.set(t2, 3);
+    assertEquals(Lambda.count(t), 2);
+    
+    assertEquals(t.get(t1), 2);
+    assertEquals(t.get(t2), 3);
+    
+    assertTrue(true);
+  }
+  
+}