From 4f84627caa594a2982f19284fe03d42e1b39609d Mon Sep 17 00:00:00 2001
From: David Jennes <david.jennes@gmail.com>
Date: Sat, 22 Sep 2018 00:54:10 +0200
Subject: [PATCH] Add test for crashing

---
 Tests/StencilTests/LexerSpec.swift | 44 +++++++++++++++++-------------
 1 file changed, 25 insertions(+), 19 deletions(-)

diff --git a/Tests/StencilTests/LexerSpec.swift b/Tests/StencilTests/LexerSpec.swift
index 6f49a4c..02f6d5e 100644
--- a/Tests/StencilTests/LexerSpec.swift
+++ b/Tests/StencilTests/LexerSpec.swift
@@ -61,36 +61,42 @@ class LexerTests: XCTestCase {
 
       $0.it("can tokenize an unclosed block") {
         let lexer = Lexer(templateString: "{%}")
-        let _ = lexer.tokenize()
+        _ = lexer.tokenize()
+      }
+
+      $0.it("can tokenize incorrect syntax without crashing") {
+        let lexer = Lexer(templateString: "func some() {{% if %}")
+        _ = lexer.tokenize()
       }
 
       $0.it("can tokenize an empty variable") {
         let lexer = Lexer(templateString: "{{}}")
-        let _ = lexer.tokenize()
+        _ = lexer.tokenize()
       }
 
       $0.it("can tokenize with new lines") {
         let templateString = """
-        My name is {%
-            if name
-             and
-            name
-        %}{{
-        name
-        }}{%
-        endif %}.
-        """
+          My name is {%
+              if name
+               and
+              name
+          %}{{
+          name
+          }}{%
+          endif %}.
+          """
 
-        let lexer = Lexer(templateString: templateString)
+          let lexer = Lexer(templateString: templateString)
 
-        let tokens = lexer.tokenize()
+          let tokens = lexer.tokenize()
 
-        try expect(tokens.count) == 5
-        try expect(tokens[0]) == Token.text(value: "My name is ", at: SourceMap(location: lexer.rangeLocation(templateString.range(of: "My name is")!)))
-        try expect(tokens[1]) == Token.block(value: "if name and name", at: SourceMap(location: lexer.rangeLocation(templateString.range(of: "{%")!)))
-        try expect(tokens[2]) == Token.variable(value: "name", at: SourceMap(location: lexer.rangeLocation(templateString.range(of: "name", options: [.backwards])!)))
-        try expect(tokens[3]) == Token.block(value: "endif", at: SourceMap(location: lexer.rangeLocation(templateString.range(of: "endif")!)))
-        try expect(tokens[4]) == Token.text(value: ".", at: SourceMap(location: lexer.rangeLocation(templateString.range(of: ".")!)))
+          try expect(tokens.count) == 5
+          try expect(tokens[0]) == Token.text(value: "My name is ", at: SourceMap(location: lexer.rangeLocation(templateString.range(of: "My name is")!)))
+          try expect(tokens[1]) == Token.block(value: "if name and name", at: SourceMap(location: lexer.rangeLocation(templateString.range(of: "{%")!)))
+          try expect(tokens[2]) == Token.variable(value: "name", at: SourceMap(location: lexer.rangeLocation(templateString.range(of: "name", options: [.backwards])!)))
+          try expect(tokens[3]) == Token.block(value: "endif", at: SourceMap(location: lexer.rangeLocation(templateString.range(of: "endif")!)))
+          try expect(tokens[4]) == Token.text(value: ".", at: SourceMap(location: lexer.rangeLocation(templateString.range(of: ".")!)))
+        }
       }
     }
   }