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Code Issues Activity

od: implement 64-bit floating point output

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This commit is contained in:
Wim Hueskes 2016-07-22 21:47:06 +02:00
parent f53aefa7e9
commit 104f8eb509
2 changed files with 96 additions and 24 deletions
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29
tests/test_od.rs
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@ -169,17 +169,18 @@ fn test_dec() {
#[test]
fn test_f32(){
let input : [u8; 24] = [
let input : [u8; 28] = [
0x52, 0x06, 0x9e, 0xbf, // 0xbf9e0652 -1.2345679
0x4e, 0x61, 0x3c, 0x4b, // 0x4b3c614e 12345678
0x0f, 0x9b, 0x94, 0xfe, // 0xfe949b0f -9.876543E37
0x00, 0x00, 0x00, 0x80, // 0x80000000 -0.0
0xff, 0xff, 0xff, 0x7f, // 0x7fffffff NaN
0xc2, 0x16, 0x01, 0x00, // 0x000116c2 1e-40
0x00, 0x00, 0x7f, 0x80];// 0x807f0000 -1.1663108E-38
let expected_output = unindent("
0000000 -1.2345679 12345678 -9.8765427e37 -0
0000020 NaN -1.1663108e-38
0000030
0000020 NaN 1e-40 -1.1663108e-38
0000034
");
let result = new_ucmd!().arg("-f").run_piped_stdin(&input[..]);
@ -188,6 +189,28 @@ fn test_f32(){
assert_eq!(result.stdout, expected_output);
}
#[test]
fn test_f64(){
let input : [u8; 40] = [
0x27, 0x6b, 0x0a, 0x2f, 0x2a, 0xee, 0x45, 0x43, // 0x4345EE2A2F0A6B27 12345678912345678
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x0000000000000000 0
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x80, // 0x8010000000000000 -2.2250738585072014e-308
0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x0000000000000001 5e-324 (subnormal)
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0];// 0xc000000000000000 -2
let expected_output = unindent("
0000000 12345678912345678 0
0000020 -2.2250738585072014e-308 5e-324
0000040 -2.0000000000000000
0000050
");
let result = new_ucmd!().arg("-F").run_piped_stdin(&input[..]);
assert_empty_stderr!(result);
assert!(result.success);
assert_eq!(result.stdout, expected_output);
}
// We don't support multibyte chars, so big NEIN to this
/*
#[test]