1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/* __ *\
** ________ ___ / / ___ __ ____ Scala.js Test Suite **
** / __/ __// _ | / / / _ | __ / // __/ (c) 2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ |/_// /_\ \ http://scala-js.org/ **
** /____/\___/_/ |_/____/_/ | |__/ /____/ **
** |/____/ **
\* */
package scala.scalajs.testsuite.scalalib
import org.scalajs.jasminetest.JasmineTest
object EnumerationTest extends JasmineTest {
describe("scala.Enumeration") {
it("should use explicit naming for enumerated values - #38") {
object HelpLevel extends Enumeration {
type HelpLevel = Value
val None = Value("None")
val Basic = Value("Basic")
val Medium = Value("Medium")
val Full = Value("Full")
}
val h = HelpLevel.None
expect(h.toString).toEqual("None")
}
it("should allow implicit naming for values") {
object HelpLevel extends Enumeration {
type HelpLevel = Value
val None, Basic, Medium, Full = Value
val Special = Value(100)
val / = Value
}
val h = HelpLevel.Medium
expect(h.toString).toEqual("Medium")
expect(HelpLevel.Special.toString).toEqual("Special")
expect(HelpLevel./.toString).toEqual("$div")
}
it("should give a pseudo toString to unnamed values") {
object Test extends Enumeration {
private val nullStr: String = null
val A = Value(nullStr) // Circumvent compiler replacement and warning
}
expect(Test.A.toString.startsWith(
"<Unknown name for enum field #0 of class ")).toBeTruthy
}
it("should give a graceful error message upon name based query when unnamed fields are present") {
object Test extends Enumeration {
private val nullStr: String = null
val A = Value(nullStr) // Circumvent compiler replacement and warning
}
expect(() => Test.withName("A")).toThrow
expect {
try { Test.withName("A"); ??? }
catch { case e: NoSuchElementException => e.getMessage }
} toContain {
"""Couldn't find enum field with name A.
|However, there were the following unnamed fields:""".stripMargin
}
}
it("should respond to `toString`") {
expect(FooBarEnum.toString).toEqual("FooBarEnum")
}
it("should respond to `values`") {
expect(FooBarEnum.values.toString).toEqual(
"FooBarEnum.ValueSet(A, B, C, D, E, F)")
}
it("should allow setting nextName") {
object Test extends Enumeration {
nextName = Iterator("x","y","z")
val a,b,c = Value
}
expect(Test.values.mkString("|")).toEqual("x|y|z")
}
}
/** Object is here due to issues with Enumeration.toString inside closures */
object FooBarEnum extends Enumeration {
val A,B,C,D,E,F = Value
}
}
|
