From 2c66cf702c6169be22322ecbdd1dff5bd6dbbfbc Mon Sep 17 00:00:00 2001
From: Martin Atkins <mart@degeneration.co.uk>
Date: Wed, 11 Sep 2019 15:50:56 -0700
Subject: [PATCH] hclsyntax: Additional tests for template sequence escapes

In previous versions we had some bugs around template sequence escapes.
These tests show that they no longer seem to be present, and should
hopefully avoid them regressing in future.
---
 hclsyntax/expression_template_test.go | 30 +++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/hclsyntax/expression_template_test.go b/hclsyntax/expression_template_test.go
index aed9e41..81dda0b 100644
--- a/hclsyntax/expression_template_test.go
+++ b/hclsyntax/expression_template_test.go
@@ -84,6 +84,12 @@ hello world
 			cty.StringVal("hello $$nonescape"),
 			0,
 		},
+		{
+			`hello %${"world"}`,
+			nil,
+			cty.StringVal("hello %world"),
+			0,
+		},
 		{
 			`${true}`,
 			nil,
@@ -253,6 +259,30 @@ trim`,
 			cty.StringVal("%%"),
 			0,
 		},
+		{
+			`hello %%{ if true }world%%{ endif }`,
+			nil,
+			cty.StringVal(`hello %{ if true }world%{ endif }`),
+			0,
+		},
+		{
+			`hello $%{ if true }world%{ endif }`,
+			nil,
+			cty.StringVal("hello $world"),
+			0,
+		},
+		{
+			`%{ endif }`,
+			nil,
+			cty.UnknownVal(cty.String),
+			1, // Unexpected endif directive
+		},
+		{
+			`%{ endfor }`,
+			nil,
+			cty.UnknownVal(cty.String),
+			1, // Unexpected endfor directive
+		},
 	}
 
 	for _, test := range tests {