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builtin: string interpolation: binary format support (#11421)

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penguindark 2021-09-06 23:12:54 +02:00 • committed by GitHub
parent fae0f8d821
commit bd10a63839
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4 changed files with 52 additions and 5 deletions
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35
vlib/builtin/string_int_test.v
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@ -219,3 +219,38 @@ fn test_signed_cast() {
assert '${u.f:G}' == '-INF'
}
}
fn test_binary() {
i := i8(127)
u := u8(127)
assert '${i:08b}' == '01111111'
assert '${u:08b}' == '01111111'
assert '${i16(i):08b}' == '01111111'
assert '${u16(u):08b}' == '01111111'
assert '${int(i):08b}' == '01111111'
assert '${u32(u):08b}' == '01111111'
assert '${i64(i):08b}' == '01111111'
assert '${u64(u):08b}' == '01111111'
n := i8(-1)
assert '${u8(-1):08b}' == '11111111'
assert '${u16(n):08b}' == '1111111111111111'
assert '${u32(n):08b}' == '11111111111111111111111111111111'
assert '${u64(n):08b}' == '1111111111111111111111111111111111111111111111111111111111111111'
}
fn test_binary32() {
i := int(0x7fff_ffff)
u := u32(0x7fff_ffff)
assert '${i:032b}' == '01111111111111111111111111111111'
assert '${u:032b}' == '01111111111111111111111111111111'
assert '${i64(i):032b}' == '01111111111111111111111111111111'
assert '${u64(u):032b}' == '01111111111111111111111111111111'
}
fn test_binary64() {
i := i64(0x7fff_ffff_ffff_ffff)
u := u64(0x7fff_ffff_ffff_ffff)
assert '${i:064b}' == '0111111111111111111111111111111111111111111111111111111111111111'
assert '${u:064b}' == '0111111111111111111111111111111111111111111111111111111111111111'
}