implement IPv4 address check based on regex

1 files changed, 48 insertions, 0 deletions

diff --git a/app/src/test/java/se/leap/bitmaskclient/base/utils/ConfigHelperTest.java b/app/src/test/java/se/leap/bitmaskclient/base/utils/ConfigHelperTest.java
new file mode 100644
index 00000000..75552226
--- /dev/null
+++ b/app/src/test/java/se/leap/bitmaskclient/base/utils/ConfigHelperTest.java
@@ -0,0 +1,48 @@
+package se.leap.bitmaskclient.base.utils;
+
+import com.tngtech.java.junit.dataprovider.DataProvider;
+import com.tngtech.java.junit.dataprovider.DataProviderRunner;
+import com.tngtech.java.junit.dataprovider.UseDataProvider;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.powermock.modules.junit4.PowerMockRunner;
+import org.powermock.modules.junit4.PowerMockRunnerDelegate;
+
+import static org.junit.Assert.assertEquals;
+
+@RunWith(PowerMockRunner.class)
+@PowerMockRunnerDelegate(DataProviderRunner.class)
+public class ConfigHelperTest {
+
+    @DataProvider
+    public static Object[][] dataProviderIPs() {
+        // @formatter:off
+        return new Object[][] {
+                { "0.0.0.0", true },
+                { "1.1.1.1", true },
+                { "8.8.8.8", true },
+                { "127.0.0.1", true },
+                { "255.255.255.255", true },
+                { "200.50.20.10", true },
+                { "97.72.15.12", true },
+                {"02.0.0.0", false},
+                {"10.000.1.1", false},
+                {"256.256.256.256", false},
+                {"127..0.1", false},
+                {"127.0..1", false},
+                {"127.0.0.", false},
+                {"127.0.0", false},
+                {"255.255.255.255.255", false},
+                {"", false},
+                {null, false},
+        };
+    }
+
+
+    @Test
+    @UseDataProvider("dataProviderIPs")
+    public void testisIPv4_validIPs_returnsTrue(String ip, boolean isValidExpected) {
+        assertEquals(isValidExpected, ConfigHelper.isIPv4(ip));
+    }
+}
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