specsuite: tests for flush heredocs with empty lines

hcl/hclsyntax/expression_test.go

@@ -1269,6 +1269,36 @@ EOT
 			cty.TupleVal([]cty.Value{cty.StringVal("  Foo\n  Bar\n  Baz\n")}),
 			0,
 		},
+		{
+			`[
+  <<EOT
+  Foo
+
+  Bar
+
+  Baz
+  EOT
+]
+`,
+			nil,
+			cty.TupleVal([]cty.Value{cty.StringVal("  Foo\n\n  Bar\n\n  Baz\n")}),
+			0,
+		},
+		{
+			`[
+  <<-EOT
+  Foo
+
+  Bar
+
+  Baz
+  EOT
+]
+`,
+			nil,
+			cty.TupleVal([]cty.Value{cty.StringVal("Foo\n\nBar\n\nBaz\n")}),
+			0,
+		},
 
 		{
 			`unk["baz"]`,

specsuite/tests/expressions/heredoc.hcl

@@ -19,6 +19,20 @@ EOT
     ${bar}
     Baz
   EOT
+  newlines_between = <<EOT
+Foo
+
+Bar
+
+Baz
+EOT
+  indented_newlines_between = <<EOT
+    Foo
+
+    Bar
+
+    Baz
+  EOT
 
   marker_at_suffix = <<EOT
     NOT EOT
@@ -70,4 +84,18 @@ EOT
     Bar
     Baz
   EOT
+  newlines_between = <<-EOT
+Foo
+
+Bar
+
+Baz
+EOT
+  indented_newlines_between = <<-EOT
+    Foo
+
+    Bar
+
+    Baz
+  EOT
 }

specsuite/tests/expressions/heredoc.t

@@ -4,6 +4,8 @@ result = {
         indented      = "    Foo\n    Bar\n    Baz\n"
         indented_more = "    Foo\n      Bar\n    Baz\n"
         interp        = "    Foo\n    Bar\n    Baz\n"
+        newlines_between = "Foo\n\nBar\n\nBaz\n"
+        indented_newlines_between = "    Foo\n\n    Bar\n\n    Baz\n"
 
         marker_at_suffix = "    NOT EOT\n"
     }
@@ -17,6 +19,8 @@ result = {
         interp_indented_less = "  Foo\n  Bar\n  Baz\n"
         tabs                 = "Foo\n Bar\n Baz\n"
         unicode_spaces       = " Foo (there's two \"em spaces\" before Foo there)\nBar\nBaz\n"
+        newlines_between     = "Foo\n\nBar\n\nBaz\n"
+        indented_newlines_between = "Foo\n\nBar\n\nBaz\n"
     }
 }
 result_type = object({