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Avoid spurious failures in the presence of non-zero default nice

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Make `test_get_current_niceness` query the libc nice value instead of
hard-coding a value of zero. This avoids a spurious failure on systems
which have a non-zero default nice value.

This fixes spurious failures on my machine.
This commit is contained in:
Dan Gohman 2023-04-25 05:22:49 -07:00
parent 0984097103
commit 12686c478e
1 changed files with 6 additions and 3 deletions
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9
tests/by-util/test_nice.rs
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@ -1,11 +1,14 @@
// spell-checker:ignore libc's
use crate::common::util::TestScenario;
#[test]
#[cfg(not(target_os = "android"))]
fn test_get_current_niceness() {
// NOTE: this assumes the test suite is being run with a default niceness
// of 0, which may not necessarily be true
new_ucmd!().run().stdout_is("0\n");
// Test that the nice command with no arguments returns the default nice
// value, which we determine by querying libc's `nice` in our own process.
new_ucmd!()
.run()
.stdout_is(format!("{}\n", unsafe { libc::nice(0) }));
}
#[test]