1// Copyright 2016 The Cockroach Authors. 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 12// implied. See the License for the specific language governing 13// permissions and limitations under the License. 14 15package apd 16 17import "testing" 18 19// Appease the unused test. 20// TODO(mjibson): actually test all the ErrDecimal methods. 21func TestErrDecimal(t *testing.T) { 22 ed := MakeErrDecimal(testCtx) 23 a := New(1, 0) 24 ed.Abs(a, a) 25 ed.Exp(a, a) 26 ed.Ln(a, a) 27 ed.Log10(a, a) 28 ed.Neg(a, a) 29 ed.Pow(a, a, a) 30 ed.QuoInteger(a, a, a) 31 ed.Rem(a, a, a) 32 ed.Round(a, a) 33} 34 35// TestMakeErrDecimalWithPrecision tests that WithPrecision generates a copy 36// and not a reference. 37func TestMakeErrDecimalWithPrecision(t *testing.T) { 38 c := &Context{ 39 Precision: 5, 40 MaxExponent: 2, 41 } 42 nc := c.WithPrecision(c.Precision * 2) 43 ed := MakeErrDecimal(nc) 44 if ed.Ctx.Precision != 10 { 45 t.Fatalf("expected %d, got %d", 10, ed.Ctx.Precision) 46 } 47 if c.Precision != 5 { 48 t.Fatalf("expected %d, got %d", 5, c.Precision) 49 } 50 if c.MaxExponent != 2 { 51 t.Fatalf("expected %d, got %d", 2, c.MaxExponent) 52 } 53} 54