mirror of
https://github.com/vlang/v.git
synced 2023-08-10 21:13:21 +03:00
314 lines
7.4 KiB
V
314 lines
7.4 KiB
V
import strconv
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fn test_common_atoi() {
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// test common cases
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assert '70zzz'.int() == 70
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assert '2901issue'.int() == 2901
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assert '234232w'.int() == 234232
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assert '-9009x'.int() == -9009
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assert '0y'.int() == 0
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// test lead zeros
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assert '0000012'.int() == 12
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assert '-0000012'.int() == -12
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assert '0x001F'.int() == 31
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assert '-0x001F'.int() == -31
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assert '0x001f'.int() == 31
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assert '0o00011'.int() == 9
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assert '0b00001001'.int() == 9
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// test underscore in string
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assert '-10_000'.int() == -10000
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assert '-0x00_0_f_ff'.int() == -0xfff
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assert '10_000_000'.int() == 10000000
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for n in -10000 .. 100000 {
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s := n.str() + 'z'
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assert s.int() == n
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}
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}
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fn test_unsigned_cast() {
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// tests for u16
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// test common cases
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assert '70zzz'.u16() == 70
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assert '2901issue'.u16() == 2901
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assert '0y'.u16() == 0
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// test lead zeros
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assert '0000012'.u16() == 12
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assert '0x001F'.u16() == 31
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assert '0x001f'.u16() == 31
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assert '0o00011'.u16() == 9
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assert '0b00001001'.u16() == 9
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// tests for u32
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// test common cases
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assert '70zzz'.u32() == 70
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assert '2901issue'.u32() == 2901
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assert '234232w'.u32() == 234232
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assert '-9009x'.u32() == 0
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assert '0y'.u32() == 0
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// test lead zeros
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assert '0000012'.u32() == 12
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assert '-0000012'.u32() == 0
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assert '0x001F'.u32() == 31
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assert '-0x001F'.u32() == 0
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assert '0x001f'.u32() == 31
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assert '0o00011'.u32() == 9
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assert '0b00001001'.u32() == 9
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// test underscore in string
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assert '-10_000'.u32() == 0
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assert '-0x00_0_f_ff'.u32() == 0
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assert '10_000_000'.u32() == 10000000
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for n in 0 .. u32(100) {
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s := n.str() + 'z'
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assert s.u32() == n
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}
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// tests for u64
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// test common cases
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assert '70zzz'.u64() == 70
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assert '2901issue'.u64() == 2901
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assert '234232w'.u64() == 234232
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assert '-9009x'.u64() == 0
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assert '0y'.u64() == 0
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// test lead zeros
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assert '0000012'.u64() == 12
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assert '-0000012'.u64() == 0
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assert '0x001F'.u64() == 31
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assert '-0x001F'.u64() == 0
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assert '0x001f'.u64() == 31
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assert '0o00011'.u64() == 9
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assert '0b00001001'.u64() == 9
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// test underscore in string
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assert '-10_000'.u64() == 0
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assert '-0x00_0_f_ff'.u64() == 0
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assert '10_000_000'.u64() == 10000000
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for n in 0 .. u64(10000) {
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s := n.str() + 'z'
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assert s.u64() == n
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}
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}
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fn test_signed_cast() {
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// tests for i64
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// test common cases
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assert '70zzz'.i64() == 70
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assert '2901issue'.i64() == 2901
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assert '234232w'.i64() == 234232
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assert '-9009x'.i64() == -9009
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assert '0y'.i64() == 0
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// test lead zeros
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assert '0000012'.i64() == 12
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assert '-0000012'.i64() == -12
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assert '0x001F'.i64() == 31
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assert '-0x001F'.i64() == -31
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assert '0x001f'.i64() == 31
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assert '0o00011'.i64() == 9
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assert '0b00001001'.i64() == 9
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// test underscore in string
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assert '-10_000'.i64() == -10000
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assert '-0x00_0_f_ff'.i64() == -0xfff
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assert '10_000_000'.i64() == 10000000
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for n in -10000 .. 100000 {
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s := n.str() + 'z'
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assert s.i64() == n
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}
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// tests for i8
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// test common cases
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assert '70zzz'.i8() == 70
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assert '29issue'.i8() == 29
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assert '22w'.i8() == 22
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assert '-90x'.i8() == -90
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assert '0y'.i8() == 0
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// test lead zeros
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assert '0000012'.i8() == 12
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assert '-0000012'.i8() == -12
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assert '0x001F'.i8() == 31
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assert '-0x001F'.i8() == -31
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assert '0x001f'.i8() == 31
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assert '0o00011'.i8() == 9
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assert '0b000011'.i8() == 3
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// test underscore in string
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assert '-10_0'.i8() == -100
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assert '-0x0_0_f'.i8() == -0xf
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assert '10_0'.i8() == 100
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for n in -10 .. 100 {
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s := n.str() + 'z'
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assert s.i8() == n
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}
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// tests for i16
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// test common cases
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assert '70zzz'.i16() == 70
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assert '2901issue'.i16() == 2901
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assert '2342w'.i16() == 2342
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assert '-9009x'.i16() == -9009
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assert '0y'.i16() == 0
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// test lead zeros
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assert '0000012'.i16() == 12
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assert '-0000012'.i16() == -12
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assert '0x001F'.i16() == 31
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assert '-0x001F'.i16() == -31
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assert '0x001f'.i16() == 31
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assert '0o00011'.i16() == 9
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assert '0b00001001'.i16() == 9
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// test underscore in string
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assert '-10_0'.i16() == -100
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assert '-0x00_0_fff'.i16() == -0xfff
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assert '10_0'.i16() == 100
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for n in -100 .. 100 {
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s := n.str() + 'z'
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assert s.i16() == n
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}
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// test g format
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unsafe {
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mut u := strconv.Float64u{
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u: strconv.double_plus_zero
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}
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assert '${u.f:g}' == '0'
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assert '${u.f:G}' == '0'
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u.u = strconv.double_minus_zero
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assert '${u.f:g}' == '0'
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assert '${u.f:G}' == '0'
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u.u = strconv.double_plus_infinity
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assert '${u.f:g}' == '+inf'
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assert '${u.f:G}' == '+INF'
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u.u = strconv.double_minus_infinity
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assert '${u.f:g}' == '-inf'
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assert '${u.f:G}' == '-INF'
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}
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unsafe {
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mut u := strconv.Float32u{
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u: strconv.single_plus_zero
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}
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assert '${u.f:g}' == '0'
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assert '${u.f:G}' == '0'
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u.u = strconv.single_minus_zero
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assert '${u.f:g}' == '0'
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assert '${u.f:G}' == '0'
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u.u = strconv.single_plus_infinity
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assert '${u.f:g}' == '+inf'
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assert '${u.f:G}' == '+INF'
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u.u = strconv.single_minus_infinity
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assert '${u.f:g}' == '-inf'
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assert '${u.f:G}' == '-INF'
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}
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}
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fn test_binary() {
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i := i8(127)
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u := u8(127)
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assert '${i:08b}' == '01111111'
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assert '${u:08b}' == '01111111'
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assert '${i16(i):08b}' == '01111111'
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assert '${u16(u):08b}' == '01111111'
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assert '${int(i):08b}' == '01111111'
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assert '${u32(u):08b}' == '01111111'
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assert '${i64(i):08b}' == '01111111'
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assert '${u64(u):08b}' == '01111111'
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n := i8(-1)
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assert '${u8(-1):08b}' == '11111111'
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assert '${u16(n):08b}' == '1111111111111111'
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assert '${u32(n):08b}' == '11111111111111111111111111111111'
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assert '${u64(n):08b}' == '1111111111111111111111111111111111111111111111111111111111111111'
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}
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fn test_binary32() {
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i := int(0x7fff_ffff)
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u := u32(0x7fff_ffff)
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assert '${i:032b}' == '01111111111111111111111111111111'
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assert '${u:032b}' == '01111111111111111111111111111111'
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assert '${i64(i):032b}' == '01111111111111111111111111111111'
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assert '${u64(u):032b}' == '01111111111111111111111111111111'
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}
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fn test_binary64() {
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i := i64(0x7fff_ffff_ffff_ffff)
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u := u64(0x7fff_ffff_ffff_ffff)
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assert '${i:064b}' == '0111111111111111111111111111111111111111111111111111111111111111'
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assert '${u:064b}' == '0111111111111111111111111111111111111111111111111111111111111111'
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}
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fn test_interpolation_of_negative_numbers_padding_and_width() {
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a := -77
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assert ' -77' == '${a:20}'
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assert ' -77' == '${a:20d}'
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assert ' -4d' == '${a:20x}'
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assert ' -1001101' == '${a:20b}'
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assert '-0000000000000000077' == '${a:020}'
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assert '-0000000000000000077' == '${a:020d}'
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assert '-000000000000000004d' == '${a:020x}'
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assert '-0000000000001001101' == '${a:020b}'
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//
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assert ' -77' == '${a:8}'
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assert ' -77' == '${a:8d}'
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assert ' -4d' == '${a:8x}'
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assert '-1001101' == '${a:8b}'
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assert '-0000077' == '${a:08}'
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assert '-0000077' == '${a:08d}'
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assert '-1001101' == '${a:08b}'
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assert '-000004d' == '${a:08x}'
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//
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assert ' -77' == '${a:4}'
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assert ' -77' == '${a:4d}'
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assert '-1001101' == '${a:4b}'
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assert ' -4d' == '${a:4x}'
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assert '-077' == '${a:04}'
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assert '-077' == '${a:04d}'
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assert '-1001101' == '${a:04b}'
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assert '-04d' == '${a:04x}'
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//
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assert '-77' == '${a:2}'
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assert '-77' == '${a:2d}'
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assert '-1001101' == '${a:2b}'
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assert '-4d' == '${a:2x}'
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assert '-77' == '${a:02}'
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assert '-77' == '${a:02d}'
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assert '-1001101' == '${a:02b}'
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assert '-4d' == '${a:02x}'
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//
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bin0 := ~6
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assert bin0 == -7
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assert '-0000111' == '${bin0:08b}' // a minimum of 8 characters for the whole number, including the padding and the sign
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assert '-0000111' == '${~6:08b}'
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assert ' -111' == '${~6:8b}'
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//
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assert '-0000110' == '${-6:08b}'
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assert ' -110' == '${-6:8b}'
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}
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