Issue 4031 - Implement tests for libadblockplus-android

libadblockplus-android-tests/src/org/adblockplus/libadblockplus/tests/JsTest.java

Index: libadblockplus-android-tests/src/org/adblockplus/libadblockplus/tests/JsTest.java
===================================================================
new file mode 100644
--- /dev/null
+++ b/libadblockplus-android-tests/src/org/adblockplus/libadblockplus/tests/JsTest.java
@@ -0,0 +1,256 @@
+/*
+ * This file is part of Adblock Plus <https://adblockplus.org/>,
+ * Copyright (C) 2006-2016 Eyeo GmbH
+ *
+ * Adblock Plus is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * Adblock Plus is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.adblockplus.libadblockplus.tests;
+
+import org.adblockplus.libadblockplus.AdblockPlusException;
+import org.adblockplus.libadblockplus.JsValue;
+
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class JsTest extends BaseJsTest {
+
+    @Test
+    public void testUndefinedValue() {
+        final JsValue value = jsEngine.evaluate("undefined");
+        assertTrue(value.isUndefined());
+        assertFalse(value.isNull());
+        assertFalse(value.isString());
+        assertFalse(value.isBoolean());
+//        assertFalse(value.isNumber()); // TODO : uncomment when isNumber is registered
+        assertFalse(value.isObject());
+        assertFalse(value.isArray());
+        assertEquals("undefined", value.asString());
+        try {
+            value.asList();
+            fail(AdblockPlusException.class.getSimpleName() + " is expected to be thrown");
+        } catch (AdblockPlusException e) {
+            // ignored
+        }
+        try {
+            value.getProperty("foo");
+            fail(AdblockPlusException.class.getSimpleName() + " is expected to be thrown");
+        } catch (AdblockPlusException e) {
+            // ignored
+        }
+    }
+
+    @Test
+    public void testNullValue() {
+        final JsValue value = jsEngine.evaluate("null");
+        assertFalse(value.isUndefined());
+        assertTrue(value.isNull());
+        assertFalse(value.isString());
+        assertFalse(value.isBoolean());
+//        assertFalse(value.isNumber()); // TODO : uncomment when isNumber is registered
+        assertFalse(value.isObject());
+        assertFalse(value.isArray());
+        assertFalse(value.isFunction());
+        assertEquals("null", value.asString());
+        assertFalse(value.asBoolean());
+        try {
+            value.asList();
+            fail(AdblockPlusException.class.getSimpleName() + " is expected to be thrown");
+        } catch (AdblockPlusException e) {
+            // ignored
+        }
+        try {
+            value.getProperty("foo");
+            fail(AdblockPlusException.class.getSimpleName() + " is expected to be thrown");
+        } catch (AdblockPlusException e) {
+            // ignored
+        }
+    }
+
+    @Test
+    public void testStringValue() {
+        JsValue value = jsEngine.evaluate("'123'");
+        assertFalse(value.isUndefined());
+        assertFalse(value.isNull());
+        assertTrue(value.isString());
+        assertFalse(value.isBoolean());
+//        assertFalse(value.isNumber());  // TODO : uncomment when isNumber is registered
+        assertFalse(value.isObject());
+        assertFalse(value.isArray());
+        assertFalse(value.isFunction());
+        assertEquals("123", value.asString());
+        assertEquals(123l, value.asLong());
+        assertTrue(value.asBoolean());
+        try {
+            value.asList();
+            fail(AdblockPlusException.class.getSimpleName() + " is expected to be thrown");
+        } catch (AdblockPlusException e) {
+            // ignored
+        }
+        try {
+            value.getProperty("foo");
+            fail(AdblockPlusException.class.getSimpleName() + " is expected to be thrown");
+        } catch (AdblockPlusException e) {
+            // ignored
+        }
+    }
+
+    @Test
+    public void testLongValue() {
+        JsValue value = jsEngine.evaluate("12345678901234");
+        assertFalse(value.isUndefined());
+        assertFalse(value.isNull());
+        assertFalse(value.isString());
+        assertFalse(value.isBoolean());
+//        assertTrue(value.isNumber());    // TODO : uncomment when isNumber is registered
+        assertFalse(value.isObject());
+        assertFalse(value.isArray());
+        assertFalse(value.isFunction());
+        assertEquals("12345678901234", value.asString());
+        assertEquals(12345678901234l, value.asLong());
+        assertTrue(value.asBoolean());
+        try {
+            value.asList();
+            fail(AdblockPlusException.class.getSimpleName() + " is expected to be thrown");
+        } catch (AdblockPlusException e) {
+            // ignored
+        }
+        try {
+            value.getProperty("foo");
+            fail(AdblockPlusException.class.getSimpleName() + " is expected to be thrown");
+        } catch (AdblockPlusException e) {
+            // ignored
+        }
+    }
+
+    @Test
+    public void testBoolValue() {
+        JsValue value = jsEngine.evaluate("true");
+        assertFalse(value.isUndefined());
+        assertFalse(value.isNull());
+        assertFalse(value.isString());
+        assertTrue(value.isBoolean());
+//        assertFalse(value.isNumber());   // TODO : uncomment when isNumber is registered
+        assertFalse(value.isObject());
+        assertFalse(value.isArray());
+        assertFalse(value.isFunction());
+        assertEquals("true", value.asString());
+        assertTrue(value.asBoolean());
+        try {
+            value.asList();
+            fail(AdblockPlusException.class.getSimpleName() + " is expected to be thrown");
+        } catch (AdblockPlusException e) {
+            // ignored
+        }
+        try {
+            value.getProperty("foo");
+            fail(AdblockPlusException.class.getSimpleName() + " is expected to be thrown");
+        } catch (AdblockPlusException e) {
+            // ignored
+        }
+    }
+
+    @Test
+    public void testObjectValue() {
+        final String source =
+            "function Foo() {\n" +
+            "   this.x = 2;\n" +
+            "   this.toString = function() {return 'foo';};\n" +
+            "   this.valueOf = function() {return 123;};\n" +
+            "};\n" +
+            "new Foo()";
+        JsValue value = jsEngine.evaluate(source);
+        assertFalse(value.isUndefined());
+        assertFalse(value.isNull());
+        assertFalse(value.isString());
+        assertFalse(value.isBoolean());
+//        assertFalse(value.isNumber());    // TODO : uncomment when isNumber is registered
+        assertTrue(value.isObject());
+        assertFalse(value.isArray());
+        assertFalse(value.isFunction());
+        assertEquals("foo", value.asString());
+        assertEquals(123l, value.asLong());
+        assertTrue(value.asBoolean());
+        try {
+            value.asList();
+            fail(AdblockPlusException.class.getSimpleName() + " is expected to be thrown");
+        } catch (AdblockPlusException e) {
+            // ignored
+        }
+        assertEquals(2l, value.getProperty("x").asLong());
+    }
+
+    @Test
+    public void testArrayValue() {
+        JsValue value = jsEngine.evaluate("[5,8,12]");
+        assertFalse(value.isUndefined());
+        assertFalse(value.isNull());
+        assertFalse(value.isString());
+        assertFalse(value.isBoolean());
+//        assertFalse(value.isNumber());   // TODO : uncomment when isNumber is registered
+        assertTrue(value.isObject());
+        assertTrue(value.isArray());
+        assertEquals("5,8,12", value.asString());
+        assertTrue(value.asBoolean());
+        assertEquals(3l, value.asList().size());
+        assertEquals(5l, value.asList().get(0).asLong());
+        assertEquals(8l, value.asList().get(1).asLong());
+        assertEquals(12l, value.asList().get(2).asLong());
+        assertEquals(3l, value.getProperty("length").asLong());
+    }
+
+    @Test
+    public void testFunctionValue() {
+        JsValue value = jsEngine.evaluate(
+            "(function(foo, bar) {return this.x + '/' + foo + '/' + bar;})");
+        assertFalse(value.isUndefined());
+        assertFalse(value.isNull());
+        assertFalse(value.isString());
+        assertFalse(value.isBoolean());
+//        assertFalse(value.isNumber());   // TODO : uncomment when isNumber is registered
+        assertTrue(value.isObject());
+        assertFalse(value.isArray());
+        assertTrue(value.isFunction());
+        assertTrue(value.asBoolean());
+        try {
+            value.asList();
+            fail(AdblockPlusException.class.getSimpleName() + " is expected to be thrown");
+        } catch (AdblockPlusException e) {
+            // ignored
+        }
+        assertEquals(2l, value.getProperty("length").asLong());
+
+        JsValue thisValue = jsEngine.evaluate("({x:2})");
+        List<JsValue> params = new ArrayList<JsValue>();
+        params.add(jsEngine.newValue(5l));
+        params.add(jsEngine.newValue("xyz"));
+
+        // TODO : finish when method jsValue.call() is created
+    }
+
+    @Test
+    public void testThrowingCoversion() {
+        final String source =
+            "function Foo() {\n" +
+            "   this.toString = function() {throw 'test1';};\n" +
+            "   this.valueOf = function() {throw 'test2';};\n" +
+            "};\n" +
+            "new Foo()";
+
+        JsValue value = jsEngine.evaluate(source);
+        assertEquals("", value.asString());
+        assertEquals(0l, value.asLong());
+    }
+}