diff --git a/packages/typescript-estree/tests/lib/parse.ts b/packages/typescript-estree/tests/lib/parse.ts
index 74f02d03792c..ad1f85a4f82c 100644
--- a/packages/typescript-estree/tests/lib/parse.ts
+++ b/packages/typescript-estree/tests/lib/parse.ts
@@ -99,4 +99,41 @@ describe('parse()', () => {
);
});
});
+
+ describe('line endings', () => {
+ const config: ParserOptions = {
+ comment: true,
+ tokens: true,
+ range: true,
+ loc: true
+ };
+
+ function validateLineEndings (code: string) {
+ const result = parser.parse(`\`${code}\``, config) as any;
+ expect(result.body[0].type).toBe(
+ parser.AST_NODE_TYPES.ExpressionStatement
+ );
+ expect(result.body[0].expression.type).toBe(
+ parser.AST_NODE_TYPES.TemplateLiteral
+ );
+ expect(result.body[0].expression.quasis[0].type).toBe(
+ parser.AST_NODE_TYPES.TemplateElement
+ );
+ const value = result.body[0].expression.quasis[0].value;
+ expect(value.raw).toBe(code);
+ expect(value.cooked).toBe(code);
+ }
+
+ it('should parse unix EOL correctly', () => {
+ validateLineEndings(`\n\n\n\n`);
+ });
+
+ it('should parse windows EOL correctly', () => {
+ validateLineEndings(`\r\n\r\n\r\n`);
+ });
+
+ it('should parse mac EOL correctly', () => {
+ validateLineEndings(`\r\r\r`);
+ });
+ });
});
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