v/vlib/builtin/string_int_test.v

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import strconv
fn test_common_atoi() {
// test common cases
assert '70zzz'.int() == 70
assert '2901issue'.int() == 2901
assert '234232w'.int() == 234232
assert '-9009x'.int() == -9009
assert '0y'.int() == 0
// test lead zeros
assert '0000012'.int() == 12
assert '-0000012'.int() == -12
assert '0x001F'.int() == 31
assert '-0x001F'.int() == -31
assert '0x001f'.int() == 31
assert '0o00011'.int() == 9
assert '0b00001001'.int() == 9
// test underscore in string
assert '-10_000'.int() == -10000
assert '-0x00_0_f_ff'.int() == -0xfff
assert '10_000_000'.int() == 10000000
for n in -10000 .. 100000 {
s := n.str() + 'z'
assert s.int() == n
}
}
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fn test_unsigned_cast() {
// tests for u16
// test common cases
assert '70zzz'.u16() == 70
assert '2901issue'.u16() == 2901
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assert '0y'.u16() == 0
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// test lead zeros
assert '0000012'.u16() == 12
assert '0x001F'.u16() == 31
assert '0x001f'.u16() == 31
assert '0o00011'.u16() == 9
assert '0b00001001'.u16() == 9
// tests for u32
// test common cases
assert '70zzz'.u32() == 70
assert '2901issue'.u32() == 2901
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assert '234232w'.u32() == 234232
assert '-9009x'.u32() == 0
assert '0y'.u32() == 0
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// test lead zeros
assert '0000012'.u32() == 12
assert '-0000012'.u32() == 0
assert '0x001F'.u32() == 31
assert '-0x001F'.u32() == 0
assert '0x001f'.u32() == 31
assert '0o00011'.u32() == 9
assert '0b00001001'.u32() == 9
// test underscore in string
assert '-10_000'.u32() == 0
assert '-0x00_0_f_ff'.u32() == 0
assert '10_000_000'.u32() == 10000000
for n in 0 .. u32(100) {
s := n.str() + 'z'
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assert s.u32() == n
}
// tests for u64
// test common cases
assert '70zzz'.u64() == 70
assert '2901issue'.u64() == 2901
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assert '234232w'.u64() == 234232
assert '-9009x'.u64() == 0
assert '0y'.u64() == 0
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// test lead zeros
assert '0000012'.u64() == 12
assert '-0000012'.u64() == 0
assert '0x001F'.u64() == 31
assert '-0x001F'.u64() == 0
assert '0x001f'.u64() == 31
assert '0o00011'.u64() == 9
assert '0b00001001'.u64() == 9
// test underscore in string
assert '-10_000'.u64() == 0
assert '-0x00_0_f_ff'.u64() == 0
assert '10_000_000'.u64() == 10000000
for n in 0 .. u64(10000) {
s := n.str() + 'z'
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assert s.u64() == n
}
}
fn test_signed_cast() {
// tests for i64
// test common cases
assert '70zzz'.i64() == 70
assert '2901issue'.i64() == 2901
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assert '234232w'.i64() == 234232
assert '-9009x'.i64() == -9009
assert '0y'.i64() == 0
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// test lead zeros
assert '0000012'.i64() == 12
assert '-0000012'.i64() == -12
assert '0x001F'.i64() == 31
assert '-0x001F'.i64() == -31
assert '0x001f'.i64() == 31
assert '0o00011'.i64() == 9
assert '0b00001001'.i64() == 9
// test underscore in string
assert '-10_000'.i64() == -10000
assert '-0x00_0_f_ff'.i64() == -0xfff
assert '10_000_000'.i64() == 10000000
for n in -10000 .. 100000 {
s := n.str() + 'z'
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assert s.i64() == n
}
// tests for i8
// test common cases
assert '70zzz'.i8() == 70
assert '29issue'.i8() == 29
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assert '22w'.i8() == 22
assert '-90x'.i8() == -90
assert '0y'.i8() == 0
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// test lead zeros
assert '0000012'.i8() == 12
assert '-0000012'.i8() == -12
assert '0x001F'.i8() == 31
assert '-0x001F'.i8() == -31
assert '0x001f'.i8() == 31
assert '0o00011'.i8() == 9
assert '0b000011'.i8() == 3
// test underscore in string
assert '-10_0'.i8() == -100
assert '-0x0_0_f'.i8() == -0xf
assert '10_0'.i8() == 100
for n in -10 .. 100 {
s := n.str() + 'z'
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assert s.i8() == n
}
// tests for i16
// test common cases
assert '70zzz'.i16() == 70
assert '2901issue'.i16() == 2901
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assert '2342w'.i16() == 2342
assert '-9009x'.i16() == -9009
assert '0y'.i16() == 0
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// test lead zeros
assert '0000012'.i16() == 12
assert '-0000012'.i16() == -12
assert '0x001F'.i16() == 31
assert '-0x001F'.i16() == -31
assert '0x001f'.i16() == 31
assert '0o00011'.i16() == 9
assert '0b00001001'.i16() == 9
// test underscore in string
assert '-10_0'.i16() == -100
assert '-0x00_0_fff'.i16() == -0xfff
assert '10_0'.i16() == 100
for n in -100 .. 100 {
s := n.str() + 'z'
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assert s.i16() == n
}
// test g format
unsafe {
mut u := strconv.Float64u{
u: strconv.double_plus_zero
}
assert '${u.f:g}' == '0'
assert '${u.f:G}' == '0'
u.u = strconv.double_minus_zero
assert '${u.f:g}' == '0'
assert '${u.f:G}' == '0'
u.u = strconv.double_plus_infinity
assert '${u.f:g}' == '+inf'
assert '${u.f:G}' == '+INF'
u.u = strconv.double_minus_infinity
assert '${u.f:g}' == '-inf'
assert '${u.f:G}' == '-INF'
}
unsafe {
mut u := strconv.Float32u{
u: strconv.single_plus_zero
}
assert '${u.f:g}' == '0'
assert '${u.f:G}' == '0'
u.u = strconv.single_minus_zero
assert '${u.f:g}' == '0'
assert '${u.f:G}' == '0'
u.u = strconv.single_plus_infinity
assert '${u.f:g}' == '+inf'
assert '${u.f:G}' == '+INF'
u.u = strconv.single_minus_infinity
assert '${u.f:g}' == '-inf'
assert '${u.f:G}' == '-INF'
}
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}