[test] Add some more tests for #warning

Harlan Haskins · Harlan Haskins · commit c9980f1b20c5 · 2018-12-17T18:05:17.000-08:00
It should support multi-line strings and strings with custom delimiters, as long as they’re not interpolating.
diff --git a/test/Sema/pound_diagnostics.swift b/test/Sema/pound_diagnostics.swift
@@ -77,3 +77,8 @@ protocol MyProtocol {
   #warning("warnings can show up in protocols too!") // expected-warning {{warnings can show up in protocols too!}}
 }
 
+#warning("""
+         warnings support multi-line string literals
+         """) // expected-warning @-2 {{warnings support multi-line string literals}}
+
+#warning(#"warnings support \(custom string delimiters)"#) // expected-warning {{warnings support \\(custom string delimiters)}}

Original file line number	Diff line number	Diff line change
`@@ -77,3 +77,8 @@ protocol MyProtocol {`
`77`	`77`	`#warning("warnings can show up in protocols too!") // expected-warning {{warnings can show up in protocols too!}}`
`78`	`78`	`}`
`79`	`79`
	`80`	`+#warning("""`
	`81`	`+ warnings support multi-line string literals`
	`82`	`+ """) // expected-warning @-2 {{warnings support multi-line string literals}}`
	`83`	`+`
	`84`	`+#warning(#"warnings support \(custom string delimiters)"#) // expected-warning {{warnings support \\(custom string delimiters)}}`