/usr/share/gocode/src/github.com/onsi/gomega/matchers/be_numerically_matcher.go is in golang-gomega-dev 1.0+git20160910.d59fa0a-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 | package matchers
import (
"fmt"
"github.com/onsi/gomega/format"
"math"
)
type BeNumericallyMatcher struct {
Comparator string
CompareTo []interface{}
}
func (matcher *BeNumericallyMatcher) FailureMessage(actual interface{}) (message string) {
return format.Message(actual, fmt.Sprintf("to be %s", matcher.Comparator), matcher.CompareTo[0])
}
func (matcher *BeNumericallyMatcher) NegatedFailureMessage(actual interface{}) (message string) {
return format.Message(actual, fmt.Sprintf("not to be %s", matcher.Comparator), matcher.CompareTo[0])
}
func (matcher *BeNumericallyMatcher) Match(actual interface{}) (success bool, err error) {
if len(matcher.CompareTo) == 0 || len(matcher.CompareTo) > 2 {
return false, fmt.Errorf("BeNumerically requires 1 or 2 CompareTo arguments. Got:\n%s", format.Object(matcher.CompareTo, 1))
}
if !isNumber(actual) {
return false, fmt.Errorf("Expected a number. Got:\n%s", format.Object(actual, 1))
}
if !isNumber(matcher.CompareTo[0]) {
return false, fmt.Errorf("Expected a number. Got:\n%s", format.Object(matcher.CompareTo[0], 1))
}
if len(matcher.CompareTo) == 2 && !isNumber(matcher.CompareTo[1]) {
return false, fmt.Errorf("Expected a number. Got:\n%s", format.Object(matcher.CompareTo[0], 1))
}
switch matcher.Comparator {
case "==", "~", ">", ">=", "<", "<=":
default:
return false, fmt.Errorf("Unknown comparator: %s", matcher.Comparator)
}
if isFloat(actual) || isFloat(matcher.CompareTo[0]) {
var secondOperand float64 = 1e-8
if len(matcher.CompareTo) == 2 {
secondOperand = toFloat(matcher.CompareTo[1])
}
success = matcher.matchFloats(toFloat(actual), toFloat(matcher.CompareTo[0]), secondOperand)
} else if isInteger(actual) {
var secondOperand int64 = 0
if len(matcher.CompareTo) == 2 {
secondOperand = toInteger(matcher.CompareTo[1])
}
success = matcher.matchIntegers(toInteger(actual), toInteger(matcher.CompareTo[0]), secondOperand)
} else if isUnsignedInteger(actual) {
var secondOperand uint64 = 0
if len(matcher.CompareTo) == 2 {
secondOperand = toUnsignedInteger(matcher.CompareTo[1])
}
success = matcher.matchUnsignedIntegers(toUnsignedInteger(actual), toUnsignedInteger(matcher.CompareTo[0]), secondOperand)
} else {
return false, fmt.Errorf("Failed to compare:\n%s\n%s:\n%s", format.Object(actual, 1), matcher.Comparator, format.Object(matcher.CompareTo[0], 1))
}
return success, nil
}
func (matcher *BeNumericallyMatcher) matchIntegers(actual, compareTo, threshold int64) (success bool) {
switch matcher.Comparator {
case "==", "~":
diff := actual - compareTo
return -threshold <= diff && diff <= threshold
case ">":
return (actual > compareTo)
case ">=":
return (actual >= compareTo)
case "<":
return (actual < compareTo)
case "<=":
return (actual <= compareTo)
}
return false
}
func (matcher *BeNumericallyMatcher) matchUnsignedIntegers(actual, compareTo, threshold uint64) (success bool) {
switch matcher.Comparator {
case "==", "~":
if actual < compareTo {
actual, compareTo = compareTo, actual
}
return actual-compareTo <= threshold
case ">":
return (actual > compareTo)
case ">=":
return (actual >= compareTo)
case "<":
return (actual < compareTo)
case "<=":
return (actual <= compareTo)
}
return false
}
func (matcher *BeNumericallyMatcher) matchFloats(actual, compareTo, threshold float64) (success bool) {
switch matcher.Comparator {
case "~":
return math.Abs(actual-compareTo) <= threshold
case "==":
return (actual == compareTo)
case ">":
return (actual > compareTo)
case ">=":
return (actual >= compareTo)
case "<":
return (actual < compareTo)
case "<=":
return (actual <= compareTo)
}
return false
}
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