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organize const eval tests

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This commit is contained in:
hkalbasi 2022-03-24 13:06:27 +04:30
parent 0e2989e421
commit 22eaee25b8
5 changed files with 180 additions and 168 deletions
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168
crates/ide/src/hover/tests.rs
View file

@ -3399,13 +3399,13 @@ impl<const LEN: usize> Foo<LEN$0> {}
);
}
// FIXME: move these tests to consteval module
#[test]
fn hover_const_eval() {
// show hex for <10
check(
r#"
/// This is a doc
const FOO$0: usize = !0 & !(!0 >> 1);
const FOO$0: usize = 1 << 3;
"#,
expect![[r#"
*FOO*
@ -3415,7 +3415,7 @@ const FOO$0: usize = !0 & !(!0 >> 1);
```
```rust
const FOO: usize = 9223372036854775808 (0x8000000000000000)
const FOO: usize = 8
```
---
@ -3423,14 +3423,11 @@ const FOO$0: usize = !0 & !(!0 >> 1);
This is a doc
"#]],
);
// show hex for >10
check(
r#"
/// This is a doc
const FOO$0: usize = {
let a = 3 + 2;
let b = a * a;
b
};
const FOO$0: usize = (1 << 3) + (1 << 2);
"#,
expect![[r#"
*FOO*
@ -3440,53 +3437,7 @@ const FOO$0: usize = {
```
```rust
const FOO: usize = 25 (0x19)
```
---
This is a doc
"#]],
);
check(
r#"
/// This is a doc
const FOO$0: usize = 1 << 10;
"#,
expect![[r#"
*FOO*
```rust
test
```
```rust
const FOO: usize = 1024 (0x400)
```
---
This is a doc
"#]],
);
check(
r#"
/// This is a doc
const FOO$0: usize = {
let b = 4;
let a = { let b = 2; let a = b; a } + { let a = 1; a + b };
a
};
"#,
expect![[r#"
*FOO*
```rust
test
```
```rust
const FOO: usize = 7
const FOO: usize = 12 (0xC)
```
---
@ -3494,6 +3445,7 @@ const FOO$0: usize = {
This is a doc
"#]],
);
// show original body when const eval fails
check(
r#"
/// This is a doc
@ -3515,6 +3467,7 @@ const FOO$0: usize = 2 - 3;
This is a doc
"#]],
);
// don't show hex for negatives
check(
r#"
/// This is a doc
@ -3539,27 +3492,6 @@ const FOO$0: i32 = 2 - 3;
check(
r#"
/// This is a doc
const FOO$0: usize = 1 << 100;
"#,
expect![[r#"
*FOO*
```rust
test
```
```rust
const FOO: usize = 1 << 100
```
---
This is a doc
"#]],
);
check(
r#"
/// This is a doc
const FOO$0: &str = "bar";
"#,
expect![[r#"
@ -3578,90 +3510,6 @@ const FOO$0: &str = "bar";
This is a doc
"#]],
);
check(
r#"
const F1: i32 = 1;
const F$03: i32 = 3 * F2;
const F2: i32 = 2 * F1;
"#,
expect![[r#"
*F3*
```rust
test
```
```rust
const F3: i32 = 6
```
"#]],
);
check(
r#"
const F1: i32 = 1 * F3;
const F2: i32 = 2 * F1;
const F$03: i32 = 3 * F2;
"#,
expect![[r#"
*F3*
```rust
test
```
```rust
const F3: i32 = 3 * F2
```
"#]],
);
check(
r#"
struct U5;
impl U5 {
const VAL: usize = 5;
}
const X$0X: usize = U5::VAL;
"#,
expect![[r#"
*XX*
```rust
test
```
```rust
const XX: usize = 5
```
"#]],
);
}
// FIXME: this should evaluate to zero
#[test]
fn hover_const_eval_broken() {
check(
r#"
struct U0;
trait ToConst {
const VAL: usize;
}
impl ToConst for U0 {
const VAL: usize = 0;
}
const X$0X: usize = U0::VAL;
"#,
expect![[r#"
*XX*
```rust
test
```
```rust
const XX: usize = U0::VAL
```
"#]],
);
}
#[test]