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test_sort: Add one more test checking arbitrary precision handling

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This commit is contained in:
Nicolas Boichat 2025-06-04 09:54:44 +02:00
parent ee1a6d2e66
commit 8c98f433bf
1 changed files with 40 additions and 0 deletions
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40
tests/by-util/test_sort.rs
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@ -1527,3 +1527,43 @@ fn test_g_misc() {
.succeeds() .succeeds()
.stdout_is(output); .stdout_is(output);
} }
#[test]
// Test numbers with a large number of digits, where only the last digit is different.
// We use scientific notation to make sure string sorting does not correctly order them.
fn test_g_arbitrary() {
let input = [
// GNU coreutils doesn't handle those correctly as they don't fit exactly in long double
"3",
"3.000000000000000000000000000000000000000000000000000000000000000004",
"0.3000000000000000000000000000000000000000000000000000000000000000002e1",
"0.03000000000000000000000000000000000000000000000000000000000000000003e2",
"0.003000000000000000000000000000000000000000000000000000000000000000001e3",
// GNU coreutils does handle those correctly though
"10",
"10.000000000000004",
"1.0000000000000002e1",
"0.10000000000000003e2",
"0.010000000000000001e3",
]
.join("\n");
let output = [
"3",
"0.003000000000000000000000000000000000000000000000000000000000000000001e3",
"0.3000000000000000000000000000000000000000000000000000000000000000002e1",
"0.03000000000000000000000000000000000000000000000000000000000000000003e2",
"3.000000000000000000000000000000000000000000000000000000000000000004",
"10",
"0.010000000000000001e3",
"1.0000000000000002e1",
"0.10000000000000003e2",
"10.000000000000004",
]
.join("\n")
+ "\n";
new_ucmd!()
.args(&["-g"])
.pipe_in(input)
.succeeds()
.stdout_is(output);
}