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[FIX] Make Amount.to_human return correct results for very small numbers

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This commit is contained in:
Chris Clark
2015-03-25 11:19:25 -07:00
parent 7cbac2e757
commit 6abfa759aa
2 changed files with 7 additions and 1 deletions
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2
src/js/ripple/amount.js
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@@ -842,7 +842,7 @@ Amount.prototype.to_human = function(opts) {
} }
var isNegative = ref._value.isNegative(); var isNegative = ref._value.isNegative();
var valueString = ref._value.abs().toString(); var valueString = ref._value.abs().toFixed();
var parts = valueString.split('.'); var parts = valueString.split('.');
var int_part = parts[0]; var int_part = parts[0];
var fraction_part = parts.length === 2 ? parts[1] : ''; var fraction_part = parts.length === 2 ? parts[1] : '';

6
test/amount-test.js
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@@ -118,6 +118,12 @@ describe('Amount', function() {
it('to human rounding edge case, precision 3, 2', function() { it('to human rounding edge case, precision 3, 2', function() {
assert.strictEqual(Amount.from_human("0.999 XAU").to_human({precision:2}), '1.00'); assert.strictEqual(Amount.from_human("0.999 XAU").to_human({precision:2}), '1.00');
}); });
it('to human very small number', function() {
assert.strictEqual(Amount.from_json('12e-20/USD').to_human(), '0.00000000000000000012');
});
it('to human very small number with precision', function() {
assert.strictEqual(Amount.from_json('12e-20/USD').to_human({precision: 20}), '0.00000000000000000012');
});
}); });
describe('from_human', function() { describe('from_human', function() {
it('empty string', function() { it('empty string', function() {