Adding position checking tests

Author: metatoaster

src/calmjs/parse/tests/lexer.py

@@ -523,6 +523,43 @@
     )
 ]
 
+es2015_pos_cases = [
+    (
+        'single_line_template',
+        """
+        var foo = `bar`;
+        """, ([
+            'var 1:0', 'foo 1:4', '= 1:8', '`bar` 1:10', '; 1:15'
+        ], [
+            'var 1:1', 'foo 1:5', '= 1:9', '`bar` 1:11', '; 1:16',
+        ])
+    ), (
+        'multi_line',
+        """
+        var foo = `bar
+        ${1}`;
+        """, ([
+            'var 1:0', 'foo 1:4', '= 1:8', '`bar\n${ 1:10',
+            '1 2:17', '}` 2:18', '; 2:20',
+        ], [
+            'var 1:1', 'foo 1:5', '= 1:9', '`bar\n${ 1:11',
+            '1 2:3', '}` 2:4', '; 2:6',
+        ])
+    ), (
+        'multi_line_joined',
+        r"""
+        var foo = `bar\
+        ${1}`;
+        """, ([
+            'var 1:0', 'foo 1:4', '= 1:8', '`bar\\\n${ 1:10',
+            '1 2:18', '}` 2:19', '; 2:21',
+        ], [
+            'var 1:1', 'foo 1:5', '= 1:9', '`bar\\\n${ 1:11',
+            '1 2:3', '}` 2:4', '; 2:6',
+        ])
+    )
+]
+
 
 def run_lexer(value, lexer_cls):
     lexer = lexer_cls()

src/calmjs/parse/tests/test_es2015_lexer.py

@@ -38,6 +38,7 @@
     es5_cases,
     es5_pos_cases,
     es2015_cases,
+    es2015_pos_cases,
 )
 
 
@@ -75,3 +76,7 @@ def test_initial_template_character(self):
 LexerES2015TestCase = build_equality_testcase(
     'LexerES2015TestCase', partial(run_lexer, lexer_cls=Lexer), (
         (label, data[0], data[1],) for label, data in es2015_cases))
+
+LexerES2015PosTestCase = build_equality_testcase(
+    'LexerES2015PosTestCase', partial(
+        run_lexer_pos, lexer_cls=Lexer), es2015_pos_cases)