1 files changed, 120 insertions, 0 deletions
diff --git a/vendor/github.com/onsi/gomega/matchers/be_numerically_matcher.go b/vendor/github.com/onsi/gomega/matchers/be_numerically_matcher.go
new file mode 100644
index 0000000..0c157f6
--- /dev/null
+++ b/vendor/github.com/onsi/gomega/matchers/be_numerically_matcher.go
@@ -0,0 +1,120 @@
+package matchers
+
+import (
+	"fmt"
+	"math"
+
+	"github.com/onsi/gomega/format"
+)
+
+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
+}