init project

example/test/amap_tools_test.dart

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+import 'package:flutter_test/flutter_test.dart';
+import 'package:amap_map/amap_map.dart';
+
+void main() {
+  test('Distance between two different point', () {
+    LatLng p1 = LatLng(1, 1);
+    LatLng p2 = LatLng(2, 2);
+    double distance = AMapTools.distanceBetween(p1, p2);
+    expect(distance, 157401.56104583555);
+  });
+
+  test('Distance between two same point', () {
+    LatLng p1 = LatLng(1, 1);
+    LatLng p2 = LatLng(1, 1);
+    double distance = AMapTools.distanceBetween(p1, p2);
+    expect(distance, 0);
+  });
+
+  test('Distance between two different point with equal lat', () {
+    LatLng p1 = LatLng(1, 1);
+    LatLng p2 = LatLng(1, 2);
+    double distance = AMapTools.distanceBetween(p1, p2);
+    expect(distance, 111302.53586533663);
+  });
+
+  test('Distance between two different point with equal lng', () {
+    LatLng p1 = LatLng(1, 1);
+    LatLng p2 = LatLng(2, 1);
+    double distance = AMapTools.distanceBetween(p1, p2);
+    expect(distance, 111319.49079327357);
+  });
+
+  test('Distance between two different point with close point', () {
+    LatLng p1 = LatLng(39.938212, 116.455139);
+    LatLng p2 = LatLng(39.987656, 116.265605);
+    double distance = AMapTools.distanceBetween(p1, p2);
+    expect(distance, 17082.425889709597);
+  });
+}

example/test/widget_test.dart

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+// This is a basic Flutter widget test.
+//
+// To perform an interaction with a widget in your test, use the WidgetTester
+// utility that Flutter provides. For example, you can send tap and scroll
+// gestures. You can also use WidgetTester to find child widgets in the widget
+// tree, read text, and verify that the values of widget properties are correct.
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'package:amap_map_example/main.dart';
+
+void main() {
+  testWidgets('Verify Platform version', (WidgetTester tester) async {
+    // Build our app and trigger a frame.
+    await tester.pumpWidget(AMapDemo());
+
+    // Verify that platform version is retrieved.
+    expect(
+      find.byWidgetPredicate(
+        (Widget widget) =>
+            widget is Text && widget.data!.startsWith('Running on:'),
+      ),
+      findsOneWidget,
+    );
+  });
+}