From d19f676953d53220af7cf537b878d2534a113957 Mon Sep 17 00:00:00 2001
From: Waiter <waitersong2012@gmail.com>
Date: Fri, 13 Dec 2019 10:53:08 +0800
Subject: [PATCH] =?UTF-8?q?fix(Stepper):=20should=20format=20value=20when?=
 =?UTF-8?q?=20max=E3=80=81min=20changed=20=20(#5257)?=
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---
 src/stepper/index.js           | 12 +++++++
 src/stepper/test/index.spec.js | 58 ++++++++++++++++++++++++++++++++++
 2 files changed, 70 insertions(+)

diff --git a/src/stepper/index.js b/src/stepper/index.js
index 21d2abc14..1a14f14c6 100644
--- a/src/stepper/index.js
+++ b/src/stepper/index.js
@@ -114,6 +114,11 @@ export default createComponent({
       }
     },
 
+    max: 'check',
+    min: 'check',
+    integer: 'check',
+    decimalLength: 'check',
+
     currentValue(val) {
       this.$emit('input', val);
       this.$emit('change', val, { name: this.name });
@@ -121,6 +126,13 @@ export default createComponent({
   },
 
   methods: {
+    check() {
+      const val = this.format(this.currentValue);
+      if (!equal(val, this.currentValue)) {
+        this.currentValue = val;
+      }
+    },
+
     // filter illegal characters
     filter(value) {
       value = String(value).replace(/[^0-9.-]/g, '');
diff --git a/src/stepper/test/index.spec.js b/src/stepper/test/index.spec.js
index 29748616e..2b423e2c1 100644
--- a/src/stepper/test/index.spec.js
+++ b/src/stepper/test/index.spec.js
@@ -271,3 +271,61 @@ test('name prop', () => {
   plus.trigger('click');
   expect(wrapper.emitted('change')[1][1]).toEqual({ name: 'name' });
 });
+
+test('change min and max', async () => {
+  const wrapper = mount(Stepper, {
+    propsData: {
+      value: 1
+    }
+  });
+
+  wrapper.setProps({
+    min: 10,
+  });
+
+  await later();
+
+  expect(wrapper.emitted('input')[0][0]).toEqual(10);
+
+  wrapper.setProps({
+    min: 3,
+    max: 8,
+  });
+
+  await later();
+
+  expect(wrapper.emitted('input')[1][0]).toEqual(8);
+});
+
+
+test('change decimal-length', async () => {
+  const wrapper = mount(Stepper, {
+    propsData: {
+      value: 1.33
+    }
+  });
+
+  wrapper.setProps({
+    decimalLength: 1
+  });
+
+  await later();
+
+  expect(wrapper.emitted('input')[0][0]).toEqual('1.3');
+});
+
+test('change integer', async () => {
+  const wrapper = mount(Stepper, {
+    propsData: {
+      value: 1.33
+    }
+  });
+
+  wrapper.setProps({
+    integer: true
+  });
+
+  await later();
+
+  expect(wrapper.emitted('input')[0][0]).toEqual(1);
+});