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stdlib: add a hook for dynamic dispatch in CollectionType.find()

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This hook allows Set.find() to be equally efficient in static and
generic contexts.

This time, with correct tests.

Swift SVN r27404
This commit is contained in:
Dmitri Hrybenko
2015-04-17 05:03:28 +00:00
parent e94b0f9b40
commit 02d254047b
5 changed files with 194 additions and 3 deletions
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31
validation-test/stdlib/Set.swift
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@@ -3226,6 +3226,14 @@ SetTestSuite.test("first") {
expectEmpty(emptySet.first)
}
SetTestSuite.test("isEmpty") {
let s1 = Set([1010, 2020, 3030])
expectFalse(s1.isEmpty)
let emptySet = Set<Int>()
expectTrue(emptySet.isEmpty)
}
SetTestSuite.test("count") {
let s1 = Set([1010, 2020, 3030])
var s2 = Set([4040, 5050, 6060])
@@ -3240,6 +3248,29 @@ SetTestSuite.test("contains") {
expectFalse(Set<Int>().contains(1010))
}
SetTestSuite.test("_customContainsEquatableElement") {
let s1 = Set([1010, 2020, 3030, 4040, 5050, 6060])
expectTrue(s1._customContainsEquatableElement(1010)!)
expectFalse(s1._customContainsEquatableElement(999)!)
expectFalse(Set<Int>()._customContainsEquatableElement(1010)!)
}
SetTestSuite.test("indexOf") {
let s1 = Set([1010, 2020, 3030, 4040, 5050, 6060])
let foundIndex1 = s1.indexOf(1010)!
expectEqual(1010, s1[foundIndex1])
expectEmpty(s1.indexOf(999))
}
SetTestSuite.test("_customFindEquatableElement") {
let s1 = Set([1010, 2020, 3030, 4040, 5050, 6060])
let foundIndex1 = s1._customFindEquatableElement(1010)!!
expectEqual(1010, s1[foundIndex1])
expectEmpty(s1._customFindEquatableElement(999)!)
}
SetTestSuite.test("commutative") {
let s1 = Set([1010, 2020, 3030])
let s2 = Set([2020, 3030])