1(module
2 (table $t 0 externref)
3
4 (func (export "get") (param $i i32) (result externref) (table.get $t (local.get $i)))
5 (func (export "set") (param $i i32) (param $r externref) (table.set $t (local.get $i) (local.get $r)))
6
7 (func (export "grow") (param $sz i32) (param $init externref) (result i32)
8 (table.grow $t (local.get $init) (local.get $sz))
9 )
10 (func (export "grow-abbrev") (param $sz i32) (param $init externref) (result i32)
11 (table.grow (local.get $init) (local.get $sz))
12 )
13 (func (export "size") (result i32) (table.size $t))
14)
15
16(assert_return (invoke "size") (i32.const 0))
17(assert_trap (invoke "set" (i32.const 0) (ref.extern 2)) "out of bounds table access")
18(assert_trap (invoke "get" (i32.const 0)) "out of bounds table access")
19
20(assert_return (invoke "grow" (i32.const 1) (ref.null extern)) (i32.const 0))
21(assert_return (invoke "size") (i32.const 1))
22(assert_return (invoke "get" (i32.const 0)) (ref.null extern))
23(assert_return (invoke "set" (i32.const 0) (ref.extern 2)))
24(assert_return (invoke "get" (i32.const 0)) (ref.extern 2))
25(assert_trap (invoke "set" (i32.const 1) (ref.extern 2)) "out of bounds table access")
26(assert_trap (invoke "get" (i32.const 1)) "out of bounds table access")
27
28(assert_return (invoke "grow-abbrev" (i32.const 4) (ref.extern 3)) (i32.const 1))
29(assert_return (invoke "size") (i32.const 5))
30(assert_return (invoke "get" (i32.const 0)) (ref.extern 2))
31(assert_return (invoke "set" (i32.const 0) (ref.extern 2)))
32(assert_return (invoke "get" (i32.const 0)) (ref.extern 2))
33(assert_return (invoke "get" (i32.const 1)) (ref.extern 3))
34(assert_return (invoke "get" (i32.const 4)) (ref.extern 3))
35(assert_return (invoke "set" (i32.const 4) (ref.extern 4)))
36(assert_return (invoke "get" (i32.const 4)) (ref.extern 4))
37(assert_trap (invoke "set" (i32.const 5) (ref.extern 2)) "out of bounds table access")
38(assert_trap (invoke "get" (i32.const 5)) "out of bounds table access")
39
40
41;; Reject growing to size outside i32 value range
42(module
43 (table $t 0x10 funcref)
44 (elem declare func $f)
45 (func $f (export "grow") (result i32)
46 (table.grow $t (ref.func $f) (i32.const 0xffff_fff0))
47 )
48)
49
50(assert_return (invoke "grow") (i32.const -1))
51
52
53(module
54 (table $t 0 externref)
55 (func (export "grow") (param i32) (result i32)
56 (table.grow $t (ref.null extern) (local.get 0))
57 )
58)
59
60(assert_return (invoke "grow" (i32.const 0)) (i32.const 0))
61(assert_return (invoke "grow" (i32.const 1)) (i32.const 0))
62(assert_return (invoke "grow" (i32.const 0)) (i32.const 1))
63(assert_return (invoke "grow" (i32.const 2)) (i32.const 1))
64(assert_return (invoke "grow" (i32.const 800)) (i32.const 3))
65
66
67(module
68 (table $t 0 10 externref)
69 (func (export "grow") (param i32) (result i32)
70 (table.grow $t (ref.null extern) (local.get 0))
71 )
72)
73
74(assert_return (invoke "grow" (i32.const 0)) (i32.const 0))
75(assert_return (invoke "grow" (i32.const 1)) (i32.const 0))
76(assert_return (invoke "grow" (i32.const 1)) (i32.const 1))
77(assert_return (invoke "grow" (i32.const 2)) (i32.const 2))
78(assert_return (invoke "grow" (i32.const 6)) (i32.const 4))
79(assert_return (invoke "grow" (i32.const 0)) (i32.const 10))
80(assert_return (invoke "grow" (i32.const 1)) (i32.const -1))
81(assert_return (invoke "grow" (i32.const 0x10000)) (i32.const -1))
82
83
84(module
85 (table $t 10 funcref)
86 (func (export "grow") (param i32) (result i32)
87 (table.grow $t (ref.null func) (local.get 0))
88 )
89 (elem declare func 1)
90 (func (export "check-table-null") (param i32 i32) (result funcref)
91 (local funcref)
92 (local.set 2 (ref.func 1))
93 (block
94 (loop
95 (local.set 2 (table.get $t (local.get 0)))
96 (br_if 1 (i32.eqz (ref.is_null (local.get 2))))
97 (br_if 1 (i32.ge_u (local.get 0) (local.get 1)))
98 (local.set 0 (i32.add (local.get 0) (i32.const 1)))
99 (br_if 0 (i32.le_u (local.get 0) (local.get 1)))
100 )
101 )
102 (local.get 2)
103 )
104)
105
106(assert_return (invoke "check-table-null" (i32.const 0) (i32.const 9)) (ref.null func))
107(assert_return (invoke "grow" (i32.const 10)) (i32.const 10))
108(assert_return (invoke "check-table-null" (i32.const 0) (i32.const 19)) (ref.null func))
109
110
111;; Type errors
112
113(assert_invalid
114 (module
115 (table $t 0 externref)
116 (func $type-init-size-empty-vs-i32-externref (result i32)
117 (table.grow $t)
118 )
119 )
120 "type mismatch"
121)
122(assert_invalid
123 (module
124 (table $t 0 externref)
125 (func $type-size-empty-vs-i32 (result i32)
126 (table.grow $t (ref.null extern))
127 )
128 )
129 "type mismatch"
130)
131(assert_invalid
132 (module
133 (table $t 0 externref)
134 (func $type-init-empty-vs-externref (result i32)
135 (table.grow $t (i32.const 1))
136 )
137 )
138 "type mismatch"
139)
140(assert_invalid
141 (module
142 (table $t 0 externref)
143 (func $type-size-f32-vs-i32 (result i32)
144 (table.grow $t (ref.null extern) (f32.const 1))
145 )
146 )
147 "type mismatch"
148)
149(assert_invalid
150 (module
151 (table $t 0 funcref)
152 (func $type-init-externref-vs-funcref (param $r externref) (result i32)
153 (table.grow $t (local.get $r) (i32.const 1))
154 )
155 )
156 "type mismatch"
157)
158
159(assert_invalid
160 (module
161 (table $t 1 externref)
162 (func $type-result-i32-vs-empty
163 (table.grow $t (ref.null extern) (i32.const 0))
164 )
165 )
166 "type mismatch"
167)
168(assert_invalid
169 (module
170 (table $t 1 externref)
171 (func $type-result-i32-vs-f32 (result f32)
172 (table.grow $t (ref.null extern) (i32.const 0))
173 )
174 )
175 "type mismatch"
176)
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