/
string_int_test.v
366 lines (314 loc) · 9.83 KB
/
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
}
}
fn test_unsigned_cast() {
// tests for u16
// test common cases
assert '70zzz'.u16() == 70
assert '2901issue'.u16() == 2901
assert '0y'.u16() == 0
// 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
assert '234232w'.u32() == 234232
assert '-9009x'.u32() == 0
assert '0y'.u32() == 0
// 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'
assert s.u32() == n
}
// tests for u64
// test common cases
assert '70zzz'.u64() == 70
assert '2901issue'.u64() == 2901
assert '234232w'.u64() == 234232
assert '-9009x'.u64() == 0
assert '0y'.u64() == 0
// 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'
assert s.u64() == n
}
}
fn test_signed_cast() {
// tests for i64
// test common cases
assert '70zzz'.i64() == 70
assert '2901issue'.i64() == 2901
assert '234232w'.i64() == 234232
assert '-9009x'.i64() == -9009
assert '0y'.i64() == 0
// 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'
assert s.i64() == n
}
// tests for i8
// test common cases
assert '70zzz'.i8() == 70
assert '29issue'.i8() == 29
assert '22w'.i8() == 22
assert '-90x'.i8() == -90
assert '0y'.i8() == 0
// 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'
assert s.i8() == n
}
// tests for i16
// test common cases
assert '70zzz'.i16() == 70
assert '2901issue'.i16() == 2901
assert '2342w'.i16() == 2342
assert '-9009x'.i16() == -9009
assert '0y'.i16() == 0
// 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'
assert s.i16() == n
}
// test g format
unsafe {
mut u := strconv.Float64u{
u: strconv.double_plus_zero
}
assert '${u.f:g}' == '0.0'
assert '${u.f:G}' == '0.0'
u.u = strconv.double_minus_zero
assert '${u.f:g}' == '0.0'
assert '${u.f:G}' == '0.0'
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 '${u.f:g}' == '0.0'
assert '${u.f:G}' == '0.0'
u.u = strconv.single_minus_zero
assert '${u.f:g}' == '0.0'
assert '${u.f:G}' == '0.0'
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'
}
}
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'
}
fn test_interpolation_of_negative_numbers_padding_and_width() {
a := -77
assert ' -77' == '${a:20}'
assert ' -77' == '${a:20d}'
assert ' -4d' == '${a:20x}'
assert ' -1001101' == '${a:20b}'
assert '-0000000000000000077' == '${a:020}'
assert '-0000000000000000077' == '${a:020d}'
assert '-000000000000000004d' == '${a:020x}'
assert '-0000000000001001101' == '${a:020b}'
//
assert ' -77' == '${a:8}'
assert ' -77' == '${a:8d}'
assert ' -4d' == '${a:8x}'
assert '-1001101' == '${a:8b}'
assert '-0000077' == '${a:08}'
assert '-0000077' == '${a:08d}'
assert '-1001101' == '${a:08b}'
assert '-000004d' == '${a:08x}'
//
assert ' -77' == '${a:4}'
assert ' -77' == '${a:4d}'
assert '-1001101' == '${a:4b}'
assert ' -4d' == '${a:4x}'
assert '-077' == '${a:04}'
assert '-077' == '${a:04d}'
assert '-1001101' == '${a:04b}'
assert '-04d' == '${a:04x}'
//
assert '-77' == '${a:2}'
assert '-77' == '${a:2d}'
assert '-1001101' == '${a:2b}'
assert '-4d' == '${a:2x}'
assert '-77' == '${a:02}'
assert '-77' == '${a:02d}'
assert '-1001101' == '${a:02b}'
assert '-4d' == '${a:02x}'
//
bin0 := ~6
assert bin0 == -7
assert '-0000111' == '${bin0:08b}' // a minimum of 8 characters for the whole number, including the padding and the sign
assert '-0000111' == '${~6:08b}'
assert ' -111' == '${~6:8b}'
//
assert '-0000110' == '${-6:08b}'
assert ' -110' == '${-6:8b}'
}
fn test_parse() {
assert i64(1) == '1'.parse_int(0, 8) or { 0 }
assert i64(1) == '0b01'.parse_int(0, 8) or { 0 }
assert i64(1) == '01'.parse_int(0, 8) or { 0 }
assert i64(1) == '0o01'.parse_int(0, 8) or { 0 }
assert i64(1) == '0x01'.parse_int(0, 8) or { 0 }
assert i64(1) == '1'.parse_int(2, 8) or { 0 }
assert i64(1) == '1'.parse_int(8, 8) or { 0 }
assert i64(1) == '1'.parse_int(10, 8) or { 0 }
assert i64(1) == '1'.parse_int(16, 8) or { 0 }
assert u64(1) == '1'.parse_uint(0, 8) or { 0 }
assert u64(1) == '0b01'.parse_uint(0, 8) or { 0 }
assert u64(1) == '01'.parse_uint(0, 8) or { 0 }
assert u64(1) == '0o01'.parse_uint(0, 8) or { 0 }
assert u64(1) == '0x01'.parse_uint(0, 8) or { 0 }
assert u64(1) == '1'.parse_uint(2, 8) or { 0 }
assert u64(1) == '1'.parse_uint(8, 8) or { 0 }
assert u64(1) == '1'.parse_uint(10, 8) or { 0 }
assert u64(1) == '1'.parse_uint(16, 8) or { 0 }
}
fn test_interpolate_binary_literals() {
assert ' 1 ${i64(0b1000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000)}' == ' 1 -9223372036854775808'
assert ' 2 ${i64(0b1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111)}' == ' 2 -1'
assert ' 3 ${i64(0b0111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111)}' == ' 3 9223372036854775807'
assert ' 4 ${u64(0b1000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000)}' == ' 4 9223372036854775808'
assert ' 5 ${u64(0b1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111)}' == ' 5 18446744073709551615'
assert ' 6 ${u64(0b0111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111)}' == ' 6 9223372036854775807'
assert ' 7 ${u32(0b111_1111_1111_1111_1111)}' == ' 7 524287'
}
fn test_interpolate_literal_limits() {
assert ' 8 ${u32(2147483648)}' == ' 8 2147483648'
assert ' 9 ${u64(0xFF_FF_FF_FF_FF_FF_FF_FF)}' == ' 9 18446744073709551615'
assert '10 ${u32(0o377777_77777)}' == '10 4294967295'
assert '11 ${i64(-2147483647)}' == '11 -2147483647'
}
fn test_string_repetition() {
a := 'pippo'
assert '${'pera':r}' == ''
assert '${'pera':R}' == ''
assert '${'pera':0r}' == ''
assert '${'pera':0R}' == ''
assert '${'pera':1r}' == 'pera'
assert '${'pera':1R}' == 'PERA'
assert '${'pera':2r}' == 'perapera'
assert '${'pera':2R}' == 'PERAPERA'
assert '${a:2r}' == 'pippopippo'
assert '${a:2R}' == 'PIPPOPIPPO'
}