Handle cases where maximum and minimum are 0

src/core/utils.js

@@ -578,12 +578,12 @@ export const validateParam = (param, isXml) => {
       return errors
     }
 
-    if (maximum) {
+    if (maximum || maximum === 0) {
       let err = validateMaximum(value, maximum)
       if (err) errors.push(err)
     }
 
-    if (minimum) {
+    if (minimum || minimum === 0) {
       let err = validateMinimum(value, minimum)
       if (err) errors.push(err)
     }

test/core/utils.js

@@ -97,6 +97,7 @@ describe("utils", function() {
     })
 
     it("returns a message for invalid input", function() {
+      expect(validateMaximum(1, 0)).toEqual(errorMessage)
       expect(validateMaximum(10, 9)).toEqual(errorMessage)
       expect(validateMaximum(20, 19)).toEqual(errorMessage)
     })
@@ -111,6 +112,7 @@ describe("utils", function() {
     })
 
     it("returns a message for invalid input", function() {
+      expect(validateMinimum(-1, 0)).toEqual(errorMessage)
       expect(validateMinimum(1, 2)).toEqual(errorMessage)
       expect(validateMinimum(10, 20)).toEqual(errorMessage)
     })
@@ -623,6 +625,26 @@ describe("utils", function() {
       })
       result = validateParam( param, false )
       expect( result ).toEqual( [] )
+
+      // invalid number with maximum:0
+      param = fromJS({
+        required: true,
+        type: "number",
+        value: 1,
+        maximum: 0
+      })
+      result = validateParam( param, false )
+      expect( result ).toEqual( ["Value must be less than Maximum"] )
+
+      // invalid number with minimum:0
+      param = fromJS({
+        required: true,
+        type: "number",
+        value: -10,
+        minimum: 0
+      })
+      result = validateParam( param, false )
+      expect( result ).toEqual( ["Value must be greater than Minimum"] )
     })
 
     it("validates optional numbers", function() {