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test: printf: Add a test for scientific printing of negative number

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This was broken before the last few commits.
This commit is contained in:
Nicolas Boichat 2025-03-11 11:50:33 +01:00
parent 92a291b71d
commit 0c0d119413
1 changed files with 8 additions and 0 deletions
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8
tests/by-util/test_printf.rs
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@ -380,6 +380,14 @@ fn sub_num_dec_trunc() {
.stdout_only("pi is ~ 3.14159"); .stdout_only("pi is ~ 3.14159");
} }
#[test]
fn sub_num_sci_negative() {
new_ucmd!()
.args(&["-1234 is %e", "-1234"])
.succeeds()
.stdout_only("-1234 is -1.234000e+03");
}
#[cfg_attr(not(feature = "test_unimplemented"), ignore)] #[cfg_attr(not(feature = "test_unimplemented"), ignore)]
#[test] #[test]
fn sub_num_hex_float_lower() { fn sub_num_hex_float_lower() {