?toUpperCase and ?string tests

Author: armano2

README.md

@@ -70,27 +70,26 @@ console.log(data.tokens)
     - `#stop`
     - `#setting`
   - comments `<#-- -->`
-
-## TODO:
   - built-ins:
     - `?toUpperCase`
     - `?toLowerCase`
     - `?capitalize`
     - `?length`
     - `?string("yes", "no")`
-  - size builtin for arrays
+
+## TODO:
   - support default values, i.e. `${user!"Anonymous"}`
-  - null resistance in above expressions if in parenthesis
-  - alternative syntax if starts with `[#ftl]`
+  - alternative syntax `[` or `<`
   - directives:
     - `#escape`
       - `#noescape`
     - `#fallback`
     - `#flush`
-    - `#lt`
     - `#nested`
-    - `#nt`
     - `#recurse`
-    - `#rt`
-    - `#t`
     - `#visit`
+    
+    - `#lt`
+    - `#t`
+    - `#nt`
+    - `#rt`

test/params.spec.ts

@@ -81,4 +81,58 @@ describe('params parser', () => {
     }
     assert.deepStrictEqual(result, expected, 'value is not matching')
   })
+  it('toUpperCase', () => {
+    const result = parser.parse('foo?toUpperCase')
+    const expected = {
+      type: ParamNames.Compound,
+      body: [
+        {
+          type: ParamNames.Identifier,
+          name: 'foo',
+        },
+        {
+          type: ParamNames.UnaryExpression,
+          operator: '?',
+          prefix: true,
+          argument: {
+            type: ParamNames.Identifier,
+            name: 'toUpperCase',
+          },
+        },
+      ],
+    }
+    assert.deepStrictEqual(result, expected, 'value is not matching')
+  })
+  it('to string', () => {
+    const result = parser.parse('foo?string("yes")')
+    const expected = {
+      type: ParamNames.Compound,
+      body: [
+        {
+          type: ParamNames.Identifier,
+          name: 'foo',
+        },
+        {
+          type: ParamNames.UnaryExpression,
+          operator: '?',
+          prefix: true,
+          argument: {
+            type: ParamNames.CallExpression,
+            arguments: [
+              {
+                type: ParamNames.Literal,
+                raw: '"yes"',
+                value: 'yes',
+              },
+            ],
+            callee: {
+              name: 'string',
+              type: ParamNames.Identifier,
+            },
+          },
+        },
+      ],
+    }
+    assert.deepStrictEqual(result, expected, 'value is not matching')
+  })
 })