fix(number): don't ignore multipleOf in float when min=max (#3417)

1 files changed, 38 insertions, 0 deletions

diff --git a/test/modules/number.spec.ts b/test/modules/number.spec.ts
index 278baadb..60781af8 100644
--- a/test/modules/number.spec.ts
+++ b/test/modules/number.spec.ts
@@ -156,6 +156,18 @@ describe('number', () => {
         );
       });
 
+      it('throws for impossible multipleOf where min=max', () => {
+        const input = {
+          min: 11,
+          max: 11,
+          multipleOf: 10,
+        };
+
+        expect(() => faker.number.int(input)).toThrow(
+          new FakerError('No suitable integer value between 11 and 11 found.')
+        );
+      });
+
       it('should return a random number given a maximum value as Number', () => {
         const actual = faker.number.int(10);
 
@@ -391,6 +403,32 @@ describe('number', () => {
         );
       });
 
+      it('throws for impossible multipleOf', () => {
+        const input = {
+          min: 11,
+          max: 19,
+          multipleOf: 10,
+        };
+
+        expect(() => faker.number.float(input)).toThrow(
+          new FakerError(
+            'No suitable integer value between 1.1 and 1.9000000000000001 found.'
+          )
+        );
+      });
+
+      it('throws for impossible multipleOf where min=max', () => {
+        const input = {
+          min: 11,
+          max: 11,
+          multipleOf: 10,
+        };
+
+        expect(() => faker.number.float(input)).toThrow(
+          new FakerError('No suitable integer value between 1.1 and 1.1 found.')
+        );
+      });
+
       it('should not modify the input object', () => {
         expect(() =>
           faker.number.float(Object.freeze({ min: 1, max: 2 }))