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added regression test for #189

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This commit is contained in:
llogiq 2015-08-17 11:46:45 +02:00
parent 84abfcd22d
commit f7677b03e1
1 changed files with 5 additions and 0 deletions
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5
tests/compile-fail/identity_op.rs
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@ -10,7 +10,10 @@ fn main() {
let x = 0; let x = 0;
x + 0; //~ERROR the operation is ineffective x + 0; //~ERROR the operation is ineffective
x + (1 - 1); //~ERROR the operation is ineffective
x + 1;
0 + x; //~ERROR the operation is ineffective 0 + x; //~ERROR the operation is ineffective
1 + x;
x - ZERO; //no error, as we skip lookups (for now) x - ZERO; //no error, as we skip lookups (for now)
x | (0); //~ERROR the operation is ineffective x | (0); //~ERROR the operation is ineffective
((ZERO)) | x; //no error, as we skip lookups (for now) ((ZERO)) | x; //no error, as we skip lookups (for now)
@ -19,6 +22,8 @@ fn main() {
1 * x; //~ERROR the operation is ineffective 1 * x; //~ERROR the operation is ineffective
x / ONE; //no error, as we skip lookups (for now) x / ONE; //no error, as we skip lookups (for now)
x / 2; //no false positive
x & NEG_ONE; //no error, as we skip lookups (for now) x & NEG_ONE; //no error, as we skip lookups (for now)
-1 & x; //~ERROR the operation is ineffective -1 & x; //~ERROR the operation is ineffective
} }