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Test SES inserting at head.

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This commit is contained in:
Rob Rix 2015-09-17 15:55:30 -04:00
parent 1fd445c1ef
commit 8c642c6f94
1 changed files with 6 additions and 0 deletions
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6
prototype/DoubtTests/DiffTests.swift
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@ -10,10 +10,16 @@ final class DiffTests: XCTestCase {
func testSESOverNonEmptyAndEmptyCollectionsIsDeletions() {
XCTAssertEqual(Diff.diff([ a, b ], []), [ Diff.Patch(a, .Empty), Diff.Patch(b, .Empty) ])
}
func testSESCanInsertAtHead() {
XCTAssertEqual(Diff.diff([ a, b, c ], [ d, a, b, c ]), [ Diff.Insert(d), Diff(a), Diff(b), Diff(c) ])
}
}
private let a = Fix(.Literal("a"))
private let b = Fix(.Literal("b"))
private let c = Fix(.Literal("c"))
private let d = Fix(.Literal("d"))
import Doubt
import XCTest