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lib/decimal: add tests for negative values passed to maxUpExponent

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This commit is contained in:
Aliaksandr Valialkin 2020-10-05 14:56:45 +03:00
parent d448e07546
commit 11ddb79aeb
1 changed files with 38 additions and 1 deletions
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39
lib/decimal/decimal_test.go
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@ -196,7 +196,6 @@ func testCalibrateScale(t *testing.T, a, b []int64, ae, be int16, aExpected, bEx
func TestMaxUpExponent(t *testing.T) {
f := func(v int64, eExpected int16) {
t.Helper()
e := maxUpExponent(v)
if e != eExpected {
t.Fatalf("unexpected e for v=%d; got %d; expecting %d", v, e, eExpected)
@ -245,6 +244,44 @@ func TestMaxUpExponent(t *testing.T) {
f(923, 15)
f(92, 17)
f(9, 18)
f(-1, 18)
f(-12, 17)
f(-123, 16)
f(-1234, 15)
f(-12345, 14)
f(-123456, 13)
f(-1234567, 12)
f(-12345678, 11)
f(-123456789, 10)
f(-1234567890, 9)
f(-12345678901, 8)
f(-123456789012, 7)
f(-1234567890123, 6)
f(-12345678901234, 5)
f(-123456789012345, 4)
f(-1234567890123456, 3)
f(-12345678901234567, 2)
f(-123456789012345678, 1)
f(-1234567890123456789, 0)
f(-923456789012345678, 0)
f(-92345678901234567, 1)
f(-9234567890123456, 2)
f(-923456789012345, 3)
f(-92345678901234, 4)
f(-9234567890123, 5)
f(-923456789012, 6)
f(-92345678901, 7)
f(-9234567890, 8)
f(-923456789, 9)
f(-92345678, 10)
f(-9234567, 11)
f(-923456, 12)
f(-92345, 13)
f(-9234, 14)
f(-923, 15)
f(-92, 17)
f(-9, 18)
}
func TestAppendFloatToDecimal(t *testing.T) {