mirror of
https://github.com/vlang/v.git
synced 2023-08-10 21:13:21 +03:00
245 lines
5.3 KiB
V
245 lines
5.3 KiB
V
const (
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a = 3
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u = u64(1)
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)
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fn test_const() {
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b := (true && true) || false
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assert b == true
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assert a == 3
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assert u == u64(1)
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assert u == 1 // make sure this works without the cast
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}
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fn test_str_methods() {
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assert i8(1).str() == '1'
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assert i8(-1).str() == '-1'
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assert i16(1).str() == '1'
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assert i16(-1).str() == '-1'
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assert int(1).str() == '1'
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assert int(-1).str() == '-1'
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assert int(2147483647).str() == '2147483647'
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// todo: overflow check for integers
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// assert int(2147483648).str() == '-2147483648'
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// assert int(-2147483648).str() == '-2147483648'
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assert i64(1).str() == '1'
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assert i64(-1).str() == '-1'
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assert u16(1).str() == '1'
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// assert u16(-1).str() == '65535'
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assert u32(1).str() == '1'
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// assert u32(-1).str() == '4294967295'
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assert u64(1).str() == '1'
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// assert u64(-1).str() == '18446744073709551615'
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}
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fn test_and_precendence() {
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assert (2 & 0 == 0) == ((2 & 0) == 0)
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assert (2 & 0 != 0) == ((2 & 0) != 0)
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assert (0 & 0 >= 0) == ((0 & 0) >= 0)
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assert (0 & 0 <= 0) == ((0 & 0) <= 0)
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assert (0 & 0 < 1) == ((0 & 0) < 1)
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assert (1 & 2 > 0) == ((1 & 2) > 0)
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}
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fn test_or_precendence() {
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assert (1 | 0 == 0) == ((1 | 0) == 0)
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assert (1 | 0 != 1) == ((1 | 0) != 1)
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assert (1 | 0 >= 2) == ((1 | 0) >= 2)
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assert (1 | 0 <= 0) == ((1 | 0) <= 0)
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assert (1 | 0 < 0) == ((1 | 0) < 0)
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assert (1 | 0 > 1) == ((1 | 0) > 1)
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}
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fn test_xor_precendence() {
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assert (1 ^ 0 == 2) == ((1 ^ 0) == 2)
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assert (1 ^ 0 != 2) == ((1 ^ 0) != 2)
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assert (1 ^ 0 >= 0) == ((1 ^ 0) >= 0)
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assert (1 ^ 0 <= 1) == ((1 ^ 0) <= 1)
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assert (1 ^ 0 < 0) == ((1 ^ 0) < 0)
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assert (1 ^ 0 > 1) == ((1 ^ 0) > 1)
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}
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fn test_left_shift_precendence() {
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assert (2 << 4 | 3) == ((2 << 4) | 3)
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assert (2 << 4 | 3) != (2 << (4 | 3))
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}
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fn test_right_shift_precendence() {
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assert (256 >> 4 | 3) == ((256 >> 4) | 3)
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assert (256 >> 4 | 3) != (256 >> (4 | 3))
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}
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fn test_i8_print() {
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b := i8(0)
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println(b)
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c := i16(7)
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println(c)
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d := u16(6)
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println(d)
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assert true
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}
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/*
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fn test_cmp() {
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assert 1 ≠ 2
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assert 1 ⩽ 2
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assert 1 ⩾ 0
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}
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*/
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type MyInt = int
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fn test_int_alias() {
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i := MyInt(2)
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assert i + 10 == 12
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}
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fn test_hex() {
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x := u64(10)
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assert x.hex() == 'a'
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b := 1234
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assert b.hex() == '4d2'
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b1 := -1
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// assert b1.hex() == 'ffffffff'
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// unsigned tests
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// assert u8(12).hex() == '0c'
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// assert u8(255).hex() == 'ff'
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assert u16(65535).hex() == 'ffff'
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// assert u32(-1).hex() == 'ffffffff'
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// assert u64(-1).hex() == 'ffffffffffffffff'
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// signed tests
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// assert i8(-1).hex() == 'ff'
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assert i8(12).hex() == 'c'
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assert i16(32767).hex() == '7fff'
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assert int(2147483647).hex() == '7fffffff'
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assert i64(9223372036854775807).hex() == '7fffffffffffffff'
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}
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fn test_bin() {
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x1 := 0b10
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assert x1 == 2
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x2 := 0b10101010
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assert x2 == 0xAA
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x3 := -0b0000001
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assert x3 == -1
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x4 := 0b11111111
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assert x4 == 255
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x5 := byte(0b11111111)
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assert x5 == 255
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x6 := char(0b11111111)
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assert int(x6) == -1
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x7 := 0b0
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assert x7 == 0
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x8 := -0b0
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assert x8 == 0
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}
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fn test_oct() {
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x1 := 0o12
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assert x1 == 10
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x2 := 0o350
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assert x2 == 232
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x3 := 0o00073
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assert x3 == 59
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x4 := 0
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assert x4 == 0
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x5 := 195
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assert x5 == 195
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x6 := -0o744
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assert x6 == -484
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x7 := -0o000042
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assert x7 == -34
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x8 := -112
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assert x8 == -112
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x9 := -0
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assert x9 == 0
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}
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fn test_num_separator() {
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// int
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assert 100_000_0 == 1000000
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assert -2_23_4_6 == -22346
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// bin
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assert 0b0_11 == 3
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assert -0b0_100 == -4
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// oct
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assert 0o1_73 == 123
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assert -0o17_5 == -125
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assert -0o175 == -125
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// hex
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assert 0xFF == 255
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assert 0xF_F == 255
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// f32 or f64
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assert 312_2.55 == 3122.55
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assert 312_2.55 == 3122.55
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}
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fn test_int_decl() {
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x1 := 0
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x2 := 1333
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x3 := -88955
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x4 := 2000000000
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x5 := -1999999999
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assert typeof(x1).name == 'int'
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assert typeof(x2).name == 'int'
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assert typeof(x3).name == 'int'
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assert typeof(x4).name == 'int'
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assert typeof(x5).name == 'int'
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x7 := u64(-321314588900011)
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assert typeof(x7).name == 'u64'
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}
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fn test_int_to_hex() {
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// array hex
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/*
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st := [byte(`V`), `L`, `A`, `N`, `G`]
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assert st.hex() == '564c414e47'
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assert st.hex().len == 10
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st1 := [byte(0x41)].repeat(100)
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assert st1.hex() == '41'.repeat(100)*/
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// --- int to hex tests
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c0 := 12
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// 8Bit
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assert byte(0).hex() == '0'
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assert byte(c0).hex() == 'c'
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assert i8(c0).hex() == 'c'
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assert byte(127).hex() == '7f'
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assert i8(127).hex() == '7f'
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assert byte(255).hex() == 'ff'
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// assert byte(-1).hex() == 'ff'
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// 16bit
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assert u16(0).hex() == '0'
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assert i16(c0).hex() == 'c'
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assert u16(c0).hex() == 'c'
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assert i16(32767).hex() == '7fff'
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assert u16(32767).hex() == '7fff'
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// assert i16(-1).hex() == 'ffff'
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assert u16(65535).hex() == 'ffff'
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// 32bit
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assert u32(0).hex() == '0'
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assert c0.hex() == 'c'
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assert u32(c0).hex() == 'c'
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assert 2147483647.hex() == '7fffffff'
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assert u32(2147483647).hex() == '7fffffff'
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// assert (-1).hex() == 'ffffffffffffffff'
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// assert u32(4294967295).hex() == 'ffffffff'
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// 64 bit
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assert u64(0).hex() == '0'
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assert i64(c0).hex() == 'c'
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assert u64(c0).hex() == 'c'
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assert i64(9223372036854775807).hex() == '7fffffffffffffff'
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assert u64(9223372036854775807).hex() == '7fffffffffffffff'
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// assert i64(-1).hex() == 'ffffffffffffffff'
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assert u64(18446744073709551615).hex() == 'ffffffffffffffff'
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}
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fn test_repeat() {
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b := byte(`V`)
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assert b.repeat(5) == 'VVVVV'
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assert b.repeat(1) == b.ascii_str()
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assert b.repeat(0) == ''
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}
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