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+// Copyright 2011 Aaron Jacobs. All Rights Reserved.
+// Author: aaronjjacobs@gmail.com (Aaron Jacobs)
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package oglematchers
+
+import (
+ "fmt"
+ "reflect"
+)
+
+// LessOrEqual returns a matcher that matches integer, floating point, or
+// strings values v such that v <= x. Comparison is not defined between numeric
+// and string types, but is defined between all integer and floating point
+// types.
+//
+// x must itself be an integer, floating point, or string type; otherwise,
+// LessOrEqual will panic.
+func LessOrEqual(x interface{}) Matcher {
+ desc := fmt.Sprintf("less than or equal to %v", x)
+
+ // Special case: make it clear that strings are strings.
+ if reflect.TypeOf(x).Kind() == reflect.String {
+ desc = fmt.Sprintf("less than or equal to \"%s\"", x)
+ }
+
+ // Put LessThan last so that its error messages will be used in the event of
+ // failure.
+ return transformDescription(AnyOf(Equals(x), LessThan(x)), desc)
+}