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[Mirrors] Use tuple labels when forming a mirror for a tuple type.

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Fixes rdar://problem/22191852.
This commit is contained in:
Doug Gregor
2016-09-20 20:56:02 -07:00
parent cccfe7ab1f
commit fcacd089d6
3 changed files with 30 additions and 11 deletions
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8
test/stdlib/Mirror.swift
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@@ -653,10 +653,10 @@ mirrors.test("Addressing") {
expectEqual(2, m0.descendant(1) as? Int)
expectEqual(3, m0.descendant(2) as? Int)
let m1 = Mirror(reflecting: (a: ["one", "two", "three"], b: 4))
let m1 = Mirror(reflecting: (a: ["one", "two", "three"], 4))
let ott0 = m1.descendant(0) as? [String]
expectNotNil(ott0)
let ott1 = m1.descendant(".0") as? [String]
let ott1 = m1.descendant("a") as? [String]
expectNotNil(ott1)
if ott0 != nil && ott1 != nil {
expectEqualSequence(ott0!, ott1!)
@@ -666,7 +666,7 @@ mirrors.test("Addressing") {
expectEqual("one", m1.descendant(0, 0) as? String)
expectEqual("two", m1.descendant(0, 1) as? String)
expectEqual("three", m1.descendant(0, 2) as? String)
expectEqual("one", m1.descendant(".0", 0) as? String)
expectEqual("one", m1.descendant("a", 0) as? String)
struct Zee : CustomReflectable {
var customMirror: Mirror {
@@ -680,7 +680,7 @@ mirrors.test("Addressing") {
(a: [], b: Zee())]
let m = Mirror(reflecting: x)
let two = m.descendant(0, ".0", 1)
let two = m.descendant(0, "a", 1)
expectEqual("two", two as? String)
expectEqual(1, m.descendant(1, 1, "bark") as? Int)
expectEqual(0, m.descendant(1, 1, "bite") as? Int)