2 files changed, 24 insertions, 0 deletions
diff --git a/__tests__/lexer.test.js b/__tests__/lexer.test.js
index 6900764..d7a4368 100644
--- a/__tests__/lexer.test.js
+++ b/__tests__/lexer.test.js
@@ -161,4 +161,16 @@ describe('lex', () => {
       ])
     })
   })
+
+  describe('bonusAdd', () => {
+    test('3d4+1', () => {
+      expect(lex('3d4+1')).toEqual([
+        { type: 'constant', value: 3 },
+        { type: 'd' },
+        { type: 'constant', value: 4 },
+        { type: 'plus' },
+        { type: 'constant', value: 1 }
+      ])
+    })
+  })
 })
diff --git a/__tests__/parser.test.js b/__tests__/parser.test.js
index bc88894..350af03 100644
--- a/__tests__/parser.test.js
+++ b/__tests__/parser.test.js
@@ -139,6 +139,18 @@ describe('parse', () => {
     })
   })
 
+  it('parses additive bonuses', () => {
+    expect(parse('3d4+1')).toEqual({
+      type: 'bonusAdd',
+      left: {
+        type: 'd',
+        left: { type: 'constant', value: 3 },
+        right: { type: 'constant', value: 4 }
+      },
+      right: { type: 'constant', value: 1 }
+    })
+  })
+
   describe('parsing parentheses', () => {
     test('(1d6)d6', () => {
       expect(parse('(1d6)d6')).toEqual({