forked from clojure/clojure
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathgenclass.clj
More file actions
151 lines (142 loc) · 7.27 KB
/
genclass.clj
File metadata and controls
151 lines (142 loc) · 7.27 KB
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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
; Copyright (c) Rich Hickey. All rights reserved.
; The use and distribution terms for this software are covered by the
; Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php)
; which can be found in the file epl-v10.html at the root of this distribution.
; By using this software in any fashion, you are agreeing to be bound by
; the terms of this license.
; You must not remove this notice, or any other, from this software.
(ns ^{:doc "Tests for clojure.core/gen-class"
:author "Stuart Halloway, Daniel Solano Gómez"}
clojure.test-clojure.genclass
(:use clojure.test clojure.test-helper)
(:require clojure.test_clojure.genclass.examples)
(:import [clojure.test_clojure.genclass.examples
ExampleClass
ExampleAnnotationClass
ProtectedFinalTester
ArrayDefInterface
ArrayGenInterface]
[java.lang.annotation ElementType
Retention
RetentionPolicy
Target]))
(deftest arg-support
(let [example (ExampleClass.)
o (Object.)]
(is (= "foo with o, o" (.foo example o o)))
(is (= "foo with o, i" (.foo example o (int 1))))
(is (thrown? java.lang.UnsupportedOperationException (.foo example o)))))
(deftest name-munging
(testing "mapping from Java fields to Clojure vars"
(is (= #'clojure.test-clojure.genclass.examples/-foo-Object-int
(get-field ExampleClass 'foo_Object_int__var)))
(is (= #'clojure.test-clojure.genclass.examples/-toString
(get-field ExampleClass 'toString__var)))))
;todo - fix this, it depends on the order of things out of a hash-map
#_(deftest test-annotations
(let [annot-class ExampleAnnotationClass
foo-method (.getDeclaredMethod annot-class "foo" (into-array [String]))]
(testing "Class annotations:"
(is (= 2 (count (.getDeclaredAnnotations annot-class))))
(testing "@Deprecated"
(let [deprecated (.getAnnotation annot-class Deprecated)]
(is deprecated)))
(testing "@Target([])"
(let [resource (.getAnnotation annot-class Target)]
(is (= 0 (count (.value resource)))))))
(testing "Method annotations:"
(testing "@Deprecated void foo(String):"
(is (= 1 (count (.getDeclaredAnnotations foo-method))))
(is (.getAnnotation foo-method Deprecated))))
(testing "Parameter annotations:"
(let [param-annots (.getParameterAnnotations foo-method)]
(is (= 1 (alength param-annots)))
(let [first-param-annots (aget param-annots 0)]
(is (= 2 (alength first-param-annots)))
(testing "void foo(@Retention(…) String)"
(let [retention (aget first-param-annots 0)]
(is (instance? Retention retention))
(= RetentionPolicy/SOURCE (.value retention))))
(testing "void foo(@Target(…) String)"
(let [target (aget first-param-annots 1)]
(is (instance? Target target))
(is (= [ElementType/TYPE ElementType/PARAMETER] (seq (.value target)))))))))))
(deftest genclass-option-validation
(is (fails-with-cause? IllegalArgumentException #"Not a valid method name: has-hyphen"
(@#'clojure.core/validate-generate-class-options {:methods '[[fine [] void] [has-hyphen [] void]]}))))
(deftest protected-final-access
(let [obj (ProtectedFinalTester.)]
(testing "Protected final method visibility"
(is (thrown? IllegalArgumentException (.findSystemClass obj "java.lang.String"))))
(testing "Allow exposition of protected final method."
(is (= String (.superFindSystemClass obj "java.lang.String"))))))
(deftest interface-array-type-hints
(let [array-types {:ints (class (int-array 0))
:bytes (class (byte-array 0))
:shorts (class (short-array 0))
:chars (class (char-array 0))
:longs (class (long-array 0))
:floats (class (float-array 0))
:doubles (class (double-array 0))
:booleans (class (boolean-array 0))
:maps (class (into-array java.util.Map []))}
array-types (assoc array-types
:maps-2d (class (into-array (:maps array-types) [])))
method-with-name (fn [name methods] (first (filter #(= name (.getName %)) methods)))
parameter-type (fn [method] (first (.getParameterTypes method)))
return-type (fn [method] (.getReturnType method))]
(testing "definterface"
(let [method-with-name #(method-with-name % (.getMethods ArrayDefInterface))]
(testing "sugar primitive array hints"
(are [name type] (= (type array-types)
(parameter-type (method-with-name name)))
"takesByteArray" :bytes
"takesCharArray" :chars
"takesShortArray" :shorts
"takesIntArray" :ints
"takesLongArray" :longs
"takesFloatArray" :floats
"takesDoubleArray" :doubles
"takesBooleanArray" :booleans))
(testing "raw primitive array hints"
(are [name type] (= (type array-types)
(return-type (method-with-name name)))
"returnsByteArray" :bytes
"returnsCharArray" :chars
"returnsShortArray" :shorts
"returnsIntArray" :ints
"returnsLongArray" :longs
"returnsFloatArray" :floats
"returnsDoubleArray" :doubles
"returnsBooleanArray" :booleans))))
(testing "gen-interface"
(let [method-with-name #(method-with-name % (.getMethods ArrayGenInterface))]
(testing "sugar primitive array hints"
(are [name type] (= (type array-types)
(parameter-type (method-with-name name)))
"takesByteArray" :bytes
"takesCharArray" :chars
"takesShortArray" :shorts
"takesIntArray" :ints
"takesLongArray" :longs
"takesFloatArray" :floats
"takesDoubleArray" :doubles
"takesBooleanArray" :booleans))
(testing "raw primitive array hints"
(are [name type] (= (type array-types)
(return-type (method-with-name name)))
"returnsByteArray" :bytes
"returnsCharArray" :chars
"returnsShortArray" :shorts
"returnsIntArray" :ints
"returnsLongArray" :longs
"returnsFloatArray" :floats
"returnsDoubleArray" :doubles
"returnsBooleanArray" :booleans))))))
(deftest gen-interface-source-file
(let [classReader (clojure.asm.ClassReader. "clojure.test_clojure.genclass.examples.ArrayGenInterface")
sourceFile (StringBuilder.)
sourceVisitor (proxy [clojure.asm.ClassVisitor] [clojure.asm.Opcodes/ASM4 nil]
(visitSource [source debug] (.append sourceFile source)))]
(.accept classReader sourceVisitor 0)
(is (= "examples.clj" (str sourceFile)))))