scanner: Add tests demonstrating issue with empty heredoc anchors.

victormlourenco · Apr 4, 2018 · 8bad6ac · 8bad6ac
1 parent 061bf37
commit 8bad6ac
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diff --git a/hcl/printer/printer_test.go b/hcl/printer/printer_test.go
@@ -155,6 +155,7 @@ func TestFormatValidOutput(t *testing.T) {
  "#\ue123t",
  "Y=<<4\n4/\n\n\n/4/@=4/\n\n\n/4000000004\r\r\n00004\n",
  "x=<<_\n_\r\r\n_\n",
+ "X=<<-\n\r\r\n",
  }
 
  for _, c := range cases {

diff --git a/hcl/scanner/scanner_test.go b/hcl/scanner/scanner_test.go
@@ -531,6 +531,9 @@ func TestError(t *testing.T) {
  testError(t, `"${abc`+"\n", "2:1", "literal not terminated", token.STRING)
  testError(t, `/*/`, "1:4", "comment not terminated", token.COMMENT)
  testError(t, `/foo`, "1:1", "expected '/' for comment", token.COMMENT)
+
+ testError(t, "<<\nfoo\n\n", "1:3", "zero-length heredoc anchor", token.HEREDOC)
+ testError(t, "<<-\nfoo\n\n", "1:4", "zero-length heredoc anchor", token.HEREDOC)
 }
 
 func testError(t *testing.T, src, pos, msg string, tok token.Type) {