MapBuilder condition put

hutool-core/src/test/java/cn/hutool/core/map/MapBuilderTest.java

@@ -0,0 +1,29 @@
+package cn.hutool.core.map;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.Map;
+
+public class MapBuilderTest {
+
+	@Test
+	public void conditionPutTest() {
+		Map<String, String> map = MapBuilder.<String, String>create()
+				.put(true, "a", "1")
+				.put(false, "b", "2")
+				.put(true, "c", () -> getValue(3))
+				.put(false, "d", () -> getValue(4))
+				.build();
+
+		Assert.assertEquals(map.get("a"), "1");
+		Assert.assertFalse(map.containsKey("b"));
+		Assert.assertEquals(map.get("c"), "3");
+		Assert.assertFalse(map.containsKey("d"));
+	}
+
+	public String getValue(int value) {
+		System.out.println("getValue: " + value);
+		return String.valueOf(value);
+	}
+}