6 files changed, 111 insertions, 0 deletions
diff --git a/spec/cell_spec.moon b/spec/core/cell_spec.moon
index fcf9861..fcf9861 100644
--- a/spec/cell_spec.moon
+++ b/spec/core/cell_spec.moon
diff --git a/spec/parsing_spec.moon b/spec/core/parsing_spec.moon
index ddf760f..ddf760f 100644
--- a/spec/parsing_spec.moon
+++ b/spec/core/parsing_spec.moon
diff --git a/spec/registry_spec.moon b/spec/core/registry_spec.moon
index 6fe2e3a..6fe2e3a 100644
--- a/spec/registry_spec.moon
+++ b/spec/core/registry_spec.moon
diff --git a/spec/scope_spec.moon b/spec/core/scope_spec.moon
index 471bbce..471bbce 100644
--- a/spec/scope_spec.moon
+++ b/spec/core/scope_spec.moon
diff --git a/spec/core/tag_spec.moon b/spec/core/tag_spec.moon
new file mode 100644
index 0000000..7855fd6
--- /dev/null
+++ b/spec/core/tag_spec.moon
@@ -0,0 +1,100 @@
+import Tag from require 'core.tag'
+import Registry from require 'core.registry'
+import Logger from require 'logger'
+Logger.init 'silent'
+
+with_reg = (fn) ->
+  registry = Registry!
+  fn = registry\wrap_eval fn
+  fn, registry
+
+do_reg = (fn) ->
+  fn, reg = with_reg fn
+  fn!
+  reg
+
+describe 'Tag', ->
+  describe 'should be constructable', ->
+    it 'by parsing', ->
+      tag = Tag\parse '2'
+      assert tag
+      assert.is.equal 2, tag.value
+      assert.is.equal '[2]', tag\stringify!
+      assert.is.equal '2', tostring tag
+
+    it 'as blank Tags', ->
+      tag = Tag\blank!
+      assert tag
+      assert.is.nil tag.value
+      assert.is.equal '', tag\stringify!
+      assert.is.equal '?', tostring tag
+
+  describe 'should be clonable', ->
+    do_asserts = (tag, expect) ->
+      assert tag
+      assert.is.nil tag.value
+      assert.is.equal expect, tostring tag
+      assert.has.error tag\stringify
+
+    it 'from parsed tags', with_reg ->
+      parent = Tag\parse '1'
+      original = Tag\parse '2'
+      tag = original\clone parent
+      do_asserts tag, '1.2'
+
+    it 'but not from blank tags', with_reg ->
+      parent = Tag\parse '1'
+      original = Tag\blank!
+      tag = original\clone parent
+      do_asserts tag, '1.?'
+
+    it 'with blank parent', with_reg ->
+      parent = Tag\blank!
+      original = Tag\parse '2'
+      tag = original\clone parent
+      do_asserts tag, '?.2'
+
+    it 'completely blank', with_reg ->
+      parent = Tag\blank!
+      original = Tag\blank!
+      tag = original\clone parent
+      do_asserts tag, '?.?'
+
+  describe 'should be set-able', ->
+    it 'only if blank', with_reg ->
+      tag = Tag\parse '42'
+      assert.has.error -> tag\set 43
+
+      clone = tag\clone Tag\parse '3'
+      assert.has.error -> clone\set 42
+
+      clone = tag\clone Tag\blank!
+      assert.has.error -> clone\set 42
+
+    it 'and stores the value', with_reg ->
+      blank = Tag\blank!
+      blank\set 12
+
+      assert.is.equal blank.value, 12
+
+    it 'sets the original if cloned', with_reg ->
+      original = Tag\blank!
+      parent = Tag\parse '7'
+
+      o_set = spy.on original, 'set'
+      p_set = spy.on parent, 'set'
+
+      clone = original\clone parent
+      clone\set 11
+
+      assert.spy(o_set).was_called_with (match.is_ref original), 11
+      assert.spy(p_set).was_not_called!
+
+      assert.is.equal original.value, 11
+ 
+    it 'requires the parent to be registered if cloned', with_reg ->
+      original = Tag\blank!
+      parent = Tag\blank!
+
+      clone = original\clone parent
+      assert.has.error -> clone\set 11
diff --git a/spec/value_spec.moon b/spec/core/value_spec.moon
index bc68c5b..cda7123 100644
--- a/spec/value_spec.moon
+++ b/spec/core/value_spec.moon
@@ -66,6 +66,17 @@ describe 'Value', ->
       assert.has_error -> (Value.str 'hi')\unwrap 'num'
       assert.has_error -> (Value.sym 'hi')\unwrap 'str'
 
+    test 'with __call shorthand', ->
+      assert.is.equal 3.14, (Value.num 3.14)!
+      assert.is.equal 'hi', (Value.str 'hi')!
+      assert.is.equal 'hi', (Value.sym 'hi')!
+      assert.is.equal 3.14, (Value.num 3.14) 'num'
+      assert.is.equal 'hi', (Value.str 'hi') 'str'
+      assert.is.equal 'hi', (Value.sym 'hi') 'sym'
+      assert.has_error -> (Value.num 3.14) 'sym'
+      assert.has_error -> (Value.str 'hi') 'num'
+      assert.has_error -> (Value.sym 'hi') 'str'
+
   describe 'checks equality', ->
     test 'using the type', ->
       val = Value 'num', 3