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math.big: make big.from_string take a decimal, add big.from_hex_string

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This commit is contained in:
Delyan Angelov
2020-12-22 09:44:59 +02:00
parent b47daad40d
commit 93c0f503a2
3 changed files with 38 additions and 12 deletions
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23
vlib/math/big/big_test.v
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@@ -78,13 +78,24 @@ fn test_mod() {
}
fn test_from_str() {
assert big.from_string('').hexstr() == '0'
assert big.from_string('1').hexstr() == '1'
assert big.from_string('0').hexstr() == '0'
assert big.from_string('0x123').hexstr() == '123'
assert big.from_string('9870123').str() == '9870123'
assert big.from_string('').str() == '0'
assert big.from_string('0').str() == '0'
assert big.from_string('1').str() == '1'
for i := 1; i < 307; i += 61 {
input := '9'.repeat(i)
out := big.from_string(input).str()
// eprintln('>> i: $i input: $input.str()')
// eprintln('>> i: $i out: $out.str()')
assert input == out
}
}
fn test_from_hex_str() {
assert big.from_hex_string('0x123').hexstr() == '123'
for i in 1 .. 33 {
input := 'e'.repeat(i)
out := big.from_string(input).hexstr()
out := big.from_hex_string(input).hexstr()
assert input == out
}
assert big.from_string('0').hexstr() == '0'
@@ -98,7 +109,7 @@ fn test_str() {
assert big.from_u64(4398046511104).str() == '4398046511104'
assert big.from_int(4294967295).str() == '18446744073709551615'
assert big.from_int(-1).str() == '18446744073709551615'
assert big.from_string('e'.repeat(80)).str() ==
assert big.from_hex_string('e'.repeat(80)).str() ==
'1993587900192849410235353592424915306962524220866209251950572167300738410728597846688097947807470'
}