heredoc: add some more tests

Author: lehmacdj

js/vimlparser.js

@@ -223,6 +223,7 @@ function viml_has_key(obj, key) {
 function viml_stridx(a, b) {
     return a.indexOf(b);
 }
+
 var NIL = [];
 var TRUE = 1;
 var FALSE = 0;

test/test_heredoc.ok

@@ -9,3 +9,4 @@
   (let =<< a (heredoc (list "trim") "EOS" (list "   hello" "  world"))))
 ; we don't actually do the trimming for trim heredocs
 (let =<< a (heredoc (list "trim") "EOS" (list "  hello" "   world")))
+(let =<< a (heredoc (list "trim") "EOS" (list "\t  hello" "\t\tworld")))

test/test_heredoc.vim

@@ -28,4 +28,8 @@ endif
 let a =<< trim EOS
   hello
    world
+EOS
+  : let a =<< trim EOS
+	  hello
+		world
 EOS

test/test_heredoc_fail_on_indent_with_colon.ok

@@ -0,0 +1 @@
+vimlparser: E990: Missing end marker 'EOF': line 5 col 0

test/test_heredoc_fail_on_indent_with_colon.vim

@@ -0,0 +1,4 @@
+  :let a =<< trim EOF
+    hello
+      world
+  EOF

test/test_heredoc_fail_on_too_little_indent.ok

@@ -0,0 +1 @@
+vimlparser: E990: Missing end marker 'EOS': line 5 col 0

test/test_heredoc_fail_on_too_little_indent.vim

@@ -0,0 +1,4 @@
+  let a =<< EOS
+hello
+  world
+ EOS