unified: Add a some tuples to BasicTest

Author: asgerf

unified/ql/test/library-tests/BasicTest/test.expected

@@ -153,6 +153,9 @@ identifier
 | test.swift:87:31:87:36 | reduce | reduce |
 | test.swift:87:38:87:43 | values | values |
 | test.swift:87:49:87:57 | transform | transform |
+| test.swift:90:5:90:9 | tuple | tuple |
+| test.swift:91:5:91:10 | unary1 | unary1 |
+| test.swift:92:5:92:10 | unary2 | unary2 |
 namedPattern
 | test.swift:1:1:1:17 | NamedPattern | Foundation |
 unsupported
@@ -164,6 +167,9 @@ rawStringValue
 | strings.swift:3:28:3:33 |  world |  world |
 | strings.swift:4:11:4:16 | hello  | hello  |
 | strings.swift:4:27:4:32 |  world |  world |
+| test.swift:90:17:90:23 | "hello" | "hello" |
+| test.swift:91:15:91:29 | "parenthesized" | "parenthesized" |
+| test.swift:92:16:92:37 | "double-parenthesized" | "double-parenthesized" |
 exprStringValue
 | strings.swift:1:10:1:16 | "hello" | hello |
 | strings.swift:2:11:2:16 | hello  | hello  |
@@ -172,3 +178,7 @@ exprStringValue
 | strings.swift:3:28:3:33 |  world |  world |
 | strings.swift:4:11:4:16 | hello  | hello  |
 | strings.swift:4:27:4:32 |  world |  world |
+| test.swift:90:17:90:23 | "hello" | hello |
+| test.swift:91:15:91:29 | "parenthesized" | parenthesized |
+| test.swift:92:16:92:37 | "double-parenthesized" | double-parenthesized |
+unexpectedUnaryTuple

unified/ql/test/library-tests/BasicTest/test.ql

@@ -9,3 +9,5 @@ query predicate unsupported(UnsupportedNode node, string value) { value = node.g
 query predicate rawStringValue(StringLiteral e, string value) { value = e.getValue() }
 
 query predicate exprStringValue(Expr e, string value) { value = e.getStringValue() }
+
+query predicate unexpectedUnaryTuple(TupleExpr tuple) { count(tuple.getAnElement()) = 1 }

unified/ql/test/library-tests/BasicTest/test.swift

@@ -86,3 +86,7 @@ func combine<T>(_ values: [T], transform: (T, T) -> T) -> T? {
     guard !values.isEmpty else { return nil }
     return values.dropFirst().reduce(values[0], transform)
 }
+
+let tuple = (1, "hello", true)
+let unary1 = ("parenthesized")
+let unary2 = (("double-parenthesized"))