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Add float cmp const tests for arrays

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This commit is contained in:
Marcin Serwin 2020-03-20 11:54:04 +01:00
parent 3c738b2286
commit c7b5e30423
2 changed files with 26 additions and 1 deletions
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13
tests/ui/float_cmp_const.rs
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@ -46,4 +46,17 @@ fn main() {
v != w; v != w;
v == 1.0; v == 1.0;
v != 1.0; v != 1.0;
const ZERO_ARRAY: [f32; 3] = [0.0, 0.0, 0.0];
const ZERO_INF_ARRAY: [f32; 3] = [0.0, ::std::f32::INFINITY, ::std::f32::NEG_INFINITY];
const NON_ZERO_ARRAY: [f32; 3] = [0.0, 0.1, 0.2];
const NON_ZERO_ARRAY2: [f32; 3] = [0.2, 0.1, 0.0];
// no errors, zero and infinity values
NON_ZERO_ARRAY[0] == NON_ZERO_ARRAY2[1]; // lhs is 0.0
ZERO_ARRAY == NON_ZERO_ARRAY; // lhs is all zeros
ZERO_INF_ARRAY == NON_ZERO_ARRAY; // lhs is all zeros or infinities
// has errors
NON_ZERO_ARRAY == NON_ZERO_ARRAY2;
} }

14
tests/ui/float_cmp_const.stderr
View File

@ -83,5 +83,17 @@ note: `f32::EPSILON` and `f64::EPSILON` are available.
LL | v != ONE; LL | v != ONE;
| ^^^^^^^^ | ^^^^^^^^
error: aborting due to 7 previous errors error: strict comparison of `f32` or `f64` constant
--> $DIR/float_cmp_const.rs:61:5
|
LL | NON_ZERO_ARRAY == NON_ZERO_ARRAY2;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: `std::f32::EPSILON` and `std::f64::EPSILON` are available.
--> $DIR/float_cmp_const.rs:61:5
|
LL | NON_ZERO_ARRAY == NON_ZERO_ARRAY2;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to 8 previous errors