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Add more tuple pattern too many fields test cases
1 parent da25af2 commit d0b482a

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2 files changed

+258
-6
lines changed

2 files changed

+258
-6
lines changed

‎src/test/ui/pattern/pat-tuple-overfield.rs‎

Lines changed: 42 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,18 @@
11
struct S(u8, u8, u8);
2+
struct M(
3+
u8,
4+
u8,
5+
u8,
6+
u8,
7+
u8,
8+
);
9+
10+
struct Z0;
11+
struct Z1();
12+
enum E1 {
13+
Z0,
14+
Z1(),
15+
}
216

317
fn main() {
418
match (1, 2, 3) {
@@ -13,4 +27,32 @@ fn main() {
1327
//~^ ERROR this pattern has 4 fields, but the corresponding tuple struct has 3 fields
1428
_ => {}
1529
}
30+
match M(1, 2, 3, 4, 5) {
31+
M(1, 2, 3, 4, 5, 6) => {}
32+
//~^ ERROR this pattern has 6 fields, but the corresponding tuple struct has 5 fields
33+
}
34+
match Z0 {
35+
Z0 => {}
36+
Z0() => {} //~ ERROR expected tuple struct or tuple variant, found unit struct `Z0`
37+
Z0(_) => {} //~ ERROR expected tuple struct or tuple variant, found unit struct `Z0`
38+
Z0(_, _) => {} //~ ERROR expected tuple struct or tuple variant, found unit struct `Z0`
39+
}
40+
match Z1() {
41+
Z1 => {} //~ ERROR match bindings cannot shadow tuple structs
42+
Z1() => {}
43+
Z1(_) => {} //~ ERROR this pattern has 1 field, but the corresponding tuple struct has 0 fields
44+
Z1(_, _) => {} //~ ERROR this pattern has 2 fields, but the corresponding tuple struct has 0 fields
45+
}
46+
match E1::Z0 {
47+
E1::Z0 => {}
48+
E1::Z0() => {} //~ ERROR expected tuple struct or tuple variant, found unit variant `E1::Z0`
49+
E1::Z0(_) => {} //~ ERROR expected tuple struct or tuple variant, found unit variant `E1::Z0`
50+
E1::Z0(_, _) => {} //~ ERROR expected tuple struct or tuple variant, found unit variant `E1::Z0`
51+
}
52+
match E1::Z1() {
53+
E1::Z1 => {} //~ ERROR expected unit struct, unit variant or constant, found tuple variant `E1::Z1`
54+
E1::Z1() => {}
55+
E1::Z1(_) => {} //~ ERROR this pattern has 1 field, but the corresponding tuple variant has 0 fields
56+
E1::Z1(_, _) => {} //~ ERROR this pattern has 2 fields, but the corresponding tuple variant has 0 fields
57+
}
1658
}

‎src/test/ui/pattern/pat-tuple-overfield.stderr‎

Lines changed: 216 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,154 @@
1+
error[E0530]: match bindings cannot shadow tuple structs
2+
--> $DIR/pat-tuple-overfield.rs:43:9
3+
|
4+
LL | struct Z1();
5+
| ------------ the tuple struct `Z1` is defined here
6+
...
7+
LL | Z1 => {}
8+
| ^^ cannot be named the same as a tuple struct
9+
10+
error[E0532]: expected tuple struct or tuple variant, found unit struct `Z0`
11+
--> $DIR/pat-tuple-overfield.rs:38:9
12+
|
13+
LL | struct Z0;
14+
| ---------- `Z0` defined here
15+
LL | struct Z1();
16+
| ------------ similarly named tuple struct `Z1` defined here
17+
...
18+
LL | Z0() => {}
19+
| ^^^^
20+
|
21+
help: use this syntax instead
22+
|
23+
LL | Z0 => {}
24+
| ~~
25+
help: a tuple struct with a similar name exists
26+
|
27+
LL | Z1() => {}
28+
| ~~
29+
30+
error[E0532]: expected tuple struct or tuple variant, found unit struct `Z0`
31+
--> $DIR/pat-tuple-overfield.rs:39:9
32+
|
33+
LL | struct Z0;
34+
| ---------- `Z0` defined here
35+
LL | struct Z1();
36+
| ------------ similarly named tuple struct `Z1` defined here
37+
...
38+
LL | Z0(_) => {}
39+
| ^^^^^
40+
|
41+
help: use this syntax instead
42+
|
43+
LL | Z0 => {}
44+
| ~~
45+
help: a tuple struct with a similar name exists
46+
|
47+
LL | Z1(_) => {}
48+
| ~~
49+
50+
error[E0532]: expected tuple struct or tuple variant, found unit struct `Z0`
51+
--> $DIR/pat-tuple-overfield.rs:40:9
52+
|
53+
LL | struct Z0;
54+
| ---------- `Z0` defined here
55+
LL | struct Z1();
56+
| ------------ similarly named tuple struct `Z1` defined here
57+
...
58+
LL | Z0(_, _) => {}
59+
| ^^^^^^^^
60+
|
61+
help: use this syntax instead
62+
|
63+
LL | Z0 => {}
64+
| ~~
65+
help: a tuple struct with a similar name exists
66+
|
67+
LL | Z1(_, _) => {}
68+
| ~~
69+
70+
error[E0532]: expected tuple struct or tuple variant, found unit variant `E1::Z0`
71+
--> $DIR/pat-tuple-overfield.rs:50:9
72+
|
73+
LL | Z0,
74+
| -- `E1::Z0` defined here
75+
LL | Z1(),
76+
| ---- similarly named tuple variant `Z1` defined here
77+
...
78+
LL | E1::Z0() => {}
79+
| ^^^^^^^^
80+
|
81+
help: use this syntax instead
82+
|
83+
LL | E1::Z0 => {}
84+
| ~~~~~~
85+
help: a tuple variant with a similar name exists
86+
|
87+
LL | E1::Z1() => {}
88+
| ~~
89+
90+
error[E0532]: expected tuple struct or tuple variant, found unit variant `E1::Z0`
91+
--> $DIR/pat-tuple-overfield.rs:51:9
92+
|
93+
LL | Z0,
94+
| -- `E1::Z0` defined here
95+
LL | Z1(),
96+
| ---- similarly named tuple variant `Z1` defined here
97+
...
98+
LL | E1::Z0(_) => {}
99+
| ^^^^^^^^^
100+
|
101+
help: use this syntax instead
102+
|
103+
LL | E1::Z0 => {}
104+
| ~~~~~~
105+
help: a tuple variant with a similar name exists
106+
|
107+
LL | E1::Z1(_) => {}
108+
| ~~
109+
110+
error[E0532]: expected tuple struct or tuple variant, found unit variant `E1::Z0`
111+
--> $DIR/pat-tuple-overfield.rs:52:9
112+
|
113+
LL | Z0,
114+
| -- `E1::Z0` defined here
115+
LL | Z1(),
116+
| ---- similarly named tuple variant `Z1` defined here
117+
...
118+
LL | E1::Z0(_, _) => {}
119+
| ^^^^^^^^^^^^
120+
|
121+
help: use this syntax instead
122+
|
123+
LL | E1::Z0 => {}
124+
| ~~~~~~
125+
help: a tuple variant with a similar name exists
126+
|
127+
LL | E1::Z1(_, _) => {}
128+
| ~~
129+
130+
error[E0532]: expected unit struct, unit variant or constant, found tuple variant `E1::Z1`
131+
--> $DIR/pat-tuple-overfield.rs:55:9
132+
|
133+
LL | Z0,
134+
| -- similarly named unit variant `Z0` defined here
135+
LL | Z1(),
136+
| ---- `E1::Z1` defined here
137+
...
138+
LL | E1::Z1 => {}
139+
| ^^^^^^
140+
|
141+
help: use the tuple variant pattern syntax instead
142+
|
143+
LL | E1::Z1() => {}
144+
| ~~~~~~~~
145+
help: a unit variant with a similar name exists
146+
|
147+
LL | E1::Z0 => {}
148+
| ~~
149+
1150
error[E0308]: mismatched types
2-
--> $DIR/pat-tuple-overfield.rs:5:9
151+
--> $DIR/pat-tuple-overfield.rs:21:9
3152
|
4153
LL | match (1, 2, 3) {
5154
| --------- this expression has type `({integer}, {integer}, {integer})`
@@ -10,7 +159,7 @@ LL | (1, 2, 3, 4) => {}
10159
found tuple `(_, _, _, _)`
11160

12161
error[E0308]: mismatched types
13-
--> $DIR/pat-tuple-overfield.rs:6:9
162+
--> $DIR/pat-tuple-overfield.rs:22:9
14163
|
15164
LL | match (1, 2, 3) {
16165
| --------- this expression has type `({integer}, {integer}, {integer})`
@@ -22,7 +171,7 @@ LL | (1, 2, .., 3, 4) => {}
22171
found tuple `(_, _, _, _)`
23172

24173
error[E0023]: this pattern has 4 fields, but the corresponding tuple struct has 3 fields
25-
--> $DIR/pat-tuple-overfield.rs:10:10
174+
--> $DIR/pat-tuple-overfield.rs:26:10
26175
|
27176
LL | struct S(u8, u8, u8);
28177
| --------------------- tuple struct defined here
@@ -33,7 +182,7 @@ LL | S(1, 2, 3, 4) => {}
33182
| this tuple struct
34183

35184
error[E0023]: this pattern has 4 fields, but the corresponding tuple struct has 3 fields
36-
--> $DIR/pat-tuple-overfield.rs:12:10
185+
--> $DIR/pat-tuple-overfield.rs:28:10
37186
|
38187
LL | struct S(u8, u8, u8);
39188
| --------------------- tuple struct defined here
@@ -43,7 +192,68 @@ LL | S(1, 2, .., 3, 4) => {}
43192
| |
44193
| this tuple struct
45194

46-
error: aborting due to 4 previous errors
195+
error[E0023]: this pattern has 6 fields, but the corresponding tuple struct has 5 fields
196+
--> $DIR/pat-tuple-overfield.rs:33:10
197+
|
198+
LL | / struct M(
199+
LL | | u8,
200+
LL | | u8,
201+
LL | | u8,
202+
LL | | u8,
203+
LL | | u8,
204+
LL | | );
205+
| |__- tuple struct defined here
206+
...
207+
LL | M(1, 2, 3, 4, 5, 6) => {}
208+
| -^^^^^^^^^^^^^^^^^^ expected 5 fields, found 6
209+
| |
210+
| this tuple struct
211+
212+
error[E0023]: this pattern has 1 field, but the corresponding tuple struct has 0 fields
213+
--> $DIR/pat-tuple-overfield.rs:45:11
214+
|
215+
LL | struct Z1();
216+
| ------------ tuple struct defined here
217+
...
218+
LL | Z1(_) => {}
219+
| --^^^ expected 0 fields, found 1
220+
| |
221+
| this tuple struct
222+
223+
error[E0023]: this pattern has 2 fields, but the corresponding tuple struct has 0 fields
224+
--> $DIR/pat-tuple-overfield.rs:46:11
225+
|
226+
LL | struct Z1();
227+
| ------------ tuple struct defined here
228+
...
229+
LL | Z1(_, _) => {}
230+
| --^^^^^^ expected 0 fields, found 2
231+
| |
232+
| this tuple struct
233+
234+
error[E0023]: this pattern has 1 field, but the corresponding tuple variant has 0 fields
235+
--> $DIR/pat-tuple-overfield.rs:57:15
236+
|
237+
LL | Z1(),
238+
| ---- tuple variant defined here
239+
...
240+
LL | E1::Z1(_) => {}
241+
| ------^^^ expected 0 fields, found 1
242+
| |
243+
| this tuple variant
244+
245+
error[E0023]: this pattern has 2 fields, but the corresponding tuple variant has 0 fields
246+
--> $DIR/pat-tuple-overfield.rs:58:15
247+
|
248+
LL | Z1(),
249+
| ---- tuple variant defined here
250+
...
251+
LL | E1::Z1(_, _) => {}
252+
| ------^^^^^^ expected 0 fields, found 2
253+
| |
254+
| this tuple variant
255+
256+
error: aborting due to 17 previous errors
47257

48-
Some errors have detailed explanations: E0023, E0308.
258+
Some errors have detailed explanations: E0023, E0308, E0530, E0532.
49259
For more information about an error, try `rustc --explain E0023`.

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