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[FIX] confusion between precision and min_precision

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`precision` expresses precision within the provided value and won't expand it if the max expression of the value is smaller
`min_precision` will expand the value if the max expression of the value is smaller
This commit is contained in:
Geert Weening
2014-10-23 17:59:53 -07:00
parent 0527b8c981
commit 7708c64576
2 changed files with 25 additions and 3 deletions
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23
test/amount-test.js
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@@ -69,7 +69,13 @@ describe('Amount', function() {
assert.strictEqual(Amount.from_human("0.00012345 XAU").to_human({precision:6}), '0.000123');
});
it('to human, precision 16', function() {
assert.strictEqual(Amount.from_human("0.00012345 XAU").to_human({precision:16}), '0.0001234500000000');
assert.strictEqual(Amount.from_human("0.00012345 XAU").to_human({precision:16}), '0.00012345');
});
it('to human, precision 16, min_precision 16', function() {
assert.strictEqual(Amount.from_human("0.00012345 XAU").to_human({precision:16, min_precision:16}), '0.0001234500000000');
});
it('to human, precision 16, min_precision 12', function() {
assert.strictEqual(Amount.from_human("0.00012345 XAU").to_human({precision:16, min_precision:12}), '0.000123450000');
});
it('to human, precision 0, first decimal 4', function() {
assert.strictEqual(Amount.from_human("0.4 XAU").to_human({precision:0}), '0');
@@ -80,6 +86,21 @@ describe('Amount', function() {
it('to human, precision 0, first decimal 8', function() {
assert.strictEqual(Amount.from_human("0.8 XAU").to_human({precision:0}), '1');
});
it('to human, precision 0, precision 16', function() {
assert.strictEqual(Amount.from_human("0.0 XAU").to_human({precision:16}), '0.0');
});
it('to human, precision 0, precision 8, min_precision 16', function() {
assert.strictEqual(Amount.from_human("0.0 XAU").to_human({precision:8, min_precision:16}), '0.0000000000000000');
});
it('to human, precision 0, first decimal 8', function() {
assert.strictEqual(Amount.from_human("0.8 XAU").to_human({precision:0}), '1');
});
it('to human, precision 6, min_precision 6, max_sig_digits 20', function() {
assert.strictEqual(Amount.from_human("0.0 XAU").to_human({precision: 6, min_precision: 6, max_sig_digits: 20}), '0.000000');
});
it('to human, precision 16, min_precision 6, max_sig_digits 20', function() {
assert.strictEqual(Amount.from_human("0.0 XAU").to_human({precision: 16, min_precision: 6, max_sig_digits: 20}), '0.000000');
});
});
describe('from_human', function() {
it('1 XRP', function() {