73 lines
1.8 KiB
Go
73 lines
1.8 KiB
Go
// Mgmt
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// Copyright (C) 2013-2024+ James Shubin and the project contributors
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// Written by James Shubin <james@shubin.ca> and the project contributors
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package coremath
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import (
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"fmt"
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"math"
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"testing"
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"github.com/purpleidea/mgmt/lang/types"
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)
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func testSqrtSuccess(input, sqrt float64) error {
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inputVal := &types.FloatValue{V: input}
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val, err := Sqrt([]types.Value{inputVal})
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if err != nil {
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return err
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}
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if val.Float() != sqrt {
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return fmt.Errorf("invalid output, expected %f, got %f", sqrt, val.Float())
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}
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return nil
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}
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func testSqrtError(input float64) error {
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inputVal := &types.FloatValue{V: input}
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_, err := Sqrt([]types.Value{inputVal})
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if err == nil {
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return fmt.Errorf("expected error for input %f, got nil", input)
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}
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return nil
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}
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func TestSqrtValidInput(t *testing.T) {
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values := map[float64]float64{
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4.0: 2.0,
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16.0: 4.0,
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2.0: math.Sqrt(2.0),
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}
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for input, sqrt := range values {
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if err := testSqrtSuccess(input, sqrt); err != nil {
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t.Error(err)
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}
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}
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}
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func TestSqrtInvalidInput(t *testing.T) {
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values := []float64{-1.0}
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for _, input := range values {
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if err := testSqrtError(input); err != nil {
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t.Error(err)
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}
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}
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}
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