stripe-ios/Stripe/StripeiOSTests/NSString+StripeTest.swift

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//
// NSString+StripeTest.swift
// StripeiOS Tests
//
// Created by Ben Guo on 3/22/16.
// Copyright © 2016 Stripe, Inc. All rights reserved.
//
@testable@_spi(STP) import Stripe
@testable@_spi(STP) import StripeCore
@testable@_spi(STP) import StripePayments
@testable@_spi(STP) import StripePaymentSheet
@testable@_spi(STP) import StripePaymentsUI
import XCTest
class NSString_StripeTest: XCTestCase {
func testIsBlank() {
XCTAssertTrue("".isBlank)
XCTAssertTrue(" ".isBlank)
XCTAssertTrue("\t\t\t".isBlank)
XCTAssertFalse("a".isBlank)
XCTAssertFalse(" a ".isBlank)
}
func testSafeSubstringToIndex() {
XCTAssertEqual("foo".stp_safeSubstring(to: 0), "")
XCTAssertEqual("foo".stp_safeSubstring(to: 500), "foo")
XCTAssertEqual("foo".stp_safeSubstring(to: 1), "f")
XCTAssertEqual("foo".stp_safeSubstring(to: -1), "")
XCTAssertEqual("foo".stp_safeSubstring(to: -100), "")
XCTAssertEqual("".stp_safeSubstring(to: 0), "")
XCTAssertEqual("".stp_safeSubstring(to: 1), "")
}
func testSafeSubstringFromIndex() {
XCTAssertEqual("foo".stp_safeSubstring(from: 0), "foo")
XCTAssertEqual("foo".stp_safeSubstring(from: 1), "oo")
XCTAssertEqual("foo".stp_safeSubstring(from: 3), "")
XCTAssertEqual("foo".stp_safeSubstring(from: -1), "foo")
XCTAssertEqual("foo".stp_safeSubstring(from: -100), "foo")
XCTAssertEqual("".stp_safeSubstring(from: 0), "")
XCTAssertEqual("".stp_safeSubstring(from: 1), "")
}
func testStringByRemovingSuffix() {
XCTAssertEqual("foobar".stp_string(byRemovingSuffix: "bar"), "foo")
XCTAssertEqual("foobar".stp_string(byRemovingSuffix: "baz"), "foobar")
XCTAssertEqual("foobar".stp_string(byRemovingSuffix: nil), "foobar")
XCTAssertEqual("foobar".stp_string(byRemovingSuffix: "foobar"), "")
XCTAssertEqual("foobar".stp_string(byRemovingSuffix: ""), "foobar")
XCTAssertEqual("foobar".stp_string(byRemovingSuffix: "oba"), "foobar")
XCTAssertEqual("foobar☺¿".stp_string(byRemovingSuffix: "bar☺¿"), "foo")
XCTAssertEqual("foobar☺¿".stp_string(byRemovingSuffix: "bar¿"), "foobar☺¿")
XCTAssertEqual("foobar\u{202C}".stp_string(byRemovingSuffix: "bar"), "foobar\u{202C}")
XCTAssertEqual("foobar\u{202C}".stp_string(byRemovingSuffix: "bar\u{202C}"), "foo")
// e + \u0041 => é
XCTAssertEqual("foobare\u{0301}".stp_string(byRemovingSuffix: "bare"), "foobare\u{0301}")
XCTAssertEqual("foobare\u{0301}".stp_string(byRemovingSuffix: "bare\u{0301}"), "foo")
XCTAssertEqual("foobare".stp_string(byRemovingSuffix: "bare\u{0301}"), "foobare")
}
func testLocalizedAmountDisplayString() {
XCTAssertEqual(String.localizedAmountDisplayString(for: 1099, currency: "USD"), "$10.99")
XCTAssertEqual(
String.localizedAmountDisplayString(
for: 1099,
currency: "USD",
locale: Locale(identifier: "fr_FR")
),
"10,99 $US"
)
XCTAssertEqual(
String.localizedAmountDisplayString(
for: 1099,
currency: "USD",
locale: Locale(identifier: "zh_HANT")
),
"US$10.99"
)
XCTAssertEqual(
String.localizedAmountDisplayString(
for: 1099,
currency: "ZZZ",
locale: Locale(identifier: "z")
),
"ZZZ 10.99"
)
}
}