adds tests for subscript additions/reassignment of dictionary and array values

Dnld · Dnld · commit bfe8fb79abb4 · 2015-10-31T13:34:35.000-04:00
diff --git a/tests/lexerTests/lexerTestsFirstMilestone.js b/tests/lexerTests/lexerTestsFirstMilestone.js
@@ -285,6 +285,35 @@ describe('Lexer: First milestone', function() {
       ];
       expect(lexer(input)).to.deep.equal(output);
     });
+    
+    it('should handle addition/reassignment of array items via subscript', function () {
+      input = String.raw `var arr = [2,2,3,4,5]; arr[0] = 1`;
+      output = [
+        { type: "DECLARATION_KEYWORD",          value: "var" },
+        { type: "IDENTIFIER",                   value: "arr" },
+        { type: "OPERATOR",                     value: "=" },
+        { type: "ARRAY_START",                  value: "[" },
+        { type: "NUMBER",                       value: "2" },
+        { type: "PUNCTUATION",                  value: "," },
+        { type: "NUMBER",                       value: "2" },
+        { type: "PUNCTUATION",                  value: "," },
+        { type: "NUMBER",                       value: "3" },
+        { type: "PUNCTUATION",                  value: "," },
+        { type: "NUMBER",                       value: "4" },
+        { type: "PUNCTUATION",                  value: "," },
+        { type: "NUMBER",                       value: "5" },
+        { type: "ARRAY_END",                    value: "]" },
+        { type: "PUNCTUATION",                  value: ";" },
+        { type: "IDENTIFIER",                   value: "arr" },
+        { type: "SUBSCRIPT_LOOKUP_START",       value: "[" },
+        { type: "NUMBER",                       value: "0" },
+        { type: "SUBSCRIPT_LOOKUP_END",         value: "]" },
+        { type: "OPERATOR",                     value: "=" },
+        { type: "NUMBER",                       value: "1" },
+        { type: "TERMINATOR",                   value: "EOF" }   
+      ];
+      expect(lexer(input)).to.deep.equal(output);
+    });
 
     it('should handle appending items to an array with the addition assignment operator', function () {
       input = String.raw`var arr = [Int](); arr += [1,2,3];`;
@@ -338,6 +367,37 @@ describe('Lexer: First milestone', function() {
       expect(lexer(input)).to.deep.equal(output);
     });
 
+    it('should handle the addition/reassignment of dictionary items via subscript', function () {
+      input = String.raw `var f = ["one": 1, "two": 2, "three": 3]; f["four"] = 4`;
+      output = [
+        { type: "DECLARATION_KEYWORD",          value: "var" },
+        { type: "IDENTIFIER",                   value: "f" },
+        { type: "OPERATOR",                     value: "=" },
+        { type: "DICTIONARY_START",             value: "[" },
+        { type: "STRING",                       value: "one" },
+        { type: "PUNCTUATION",                  value: ":" },
+        { type: "NUMBER",                       value: "1" },
+        { type: "PUNCTUATION",                  value: "," },
+        { type: "STRING",                       value: "two" },
+        { type: "PUNCTUATION",                  value: ":" },
+        { type: "NUMBER",                       value: "2" },
+        { type: "PUNCTUATION",                  value: "," },
+        { type: "STRING",                       value: "three" },
+        { type: "PUNCTUATION",                  value: ":" },
+        { type: "NUMBER",                       value: "3" },
+        { type: "DICTIONARY_END",               value: "]" },
+        { type: "PUNCTUATION",                  value: ";" },
+        { type: "IDENTIFIER",                   value: "f" },
+        { type: "SUBSCRIPT_LOOKUP_START",       value: "[" },
+        { type: "STRING",                       value: "four" },
+        { type: "SUBSCRIPT_LOOKUP_END",         value: "]" },
+        { type: "OPERATOR",                     value: "=" },
+        { type: "NUMBER",                       value: "4" },
+        { type: "TERMINATOR",                   value: "EOF" }   
+      ];
+      expect(lexer(input)).to.deep.equal(output);
+    });
+
     it('should handle tuples', function () {
       input = String.raw`var error = (404, "not found")`;
       output = [
