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[FIX] amount precision bugs

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- leading 0's for fraction part disappearing
- first decimal lower than 5 wouldn't result in dropping the decimal
This commit is contained in:
Geert Weening
2014-10-21 13:22:37 -07:00
parent 8b10325895
commit 4be209e286
2 changed files with 43 additions and 2 deletions
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30
test/amount-test.js
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@@ -50,6 +50,36 @@ describe('Amount', function() {
it('to human, precision 5', function() {
assert.strictEqual(Amount.from_human("12345.678901234 XAU").to_human({precision:5}), '12,345.67890');
});
it('to human, precision -1, should be ignored, precision needs to be >= 0', function() {
assert.strictEqual(Amount.from_human("0.00012345 XAU").to_human({precision:-1}), '0');
});
it('to human, precision 0', function() {
assert.strictEqual(Amount.from_human("0.00012345 XAU").to_human({precision:0}), '0');
});
it('to human, precision 1', function() {
assert.strictEqual(Amount.from_human("0.00012345 XAU").to_human({precision:1}), '0.0');
});
it('to human, precision 2', function() {
assert.strictEqual(Amount.from_human("0.00012345 XAU").to_human({precision:2}), '0.00');
});
it('to human, precision 5', function() {
assert.strictEqual(Amount.from_human("0.00012345 XAU").to_human({precision:5}), '0.00012');
});
it('to human, precision 6', 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');
});
it('to human, precision 0, first decimal 4', function() {
assert.strictEqual(Amount.from_human("0.4 XAU").to_human({precision:0}), '0');
});
it('to human, precision 0, first decimal 5', function() {
assert.strictEqual(Amount.from_human("0.5 XAU").to_human({precision:0}), '1');
});
it('to human, precision 0, first decimal 8', function() {
assert.strictEqual(Amount.from_human("0.8 XAU").to_human({precision:0}), '1');
});
});
describe('from_human', function() {
it('1 XRP', function() {