diff --git a/test/de/inetsoftware/jwebassembly/runtime/DynamicValues.java b/test/de/inetsoftware/jwebassembly/runtime/DynamicValues.java new file mode 100644 index 0000000..599da1d --- /dev/null +++ b/test/de/inetsoftware/jwebassembly/runtime/DynamicValues.java @@ -0,0 +1,74 @@ +/* + * Copyright 2019 Volker Berlin (i-net software) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package de.inetsoftware.jwebassembly.runtime; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertTrue; +import static org.junit.Assume.assumeFalse; + +import java.util.Collection; + +import org.junit.ClassRule; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.junit.runners.Parameterized; +import org.junit.runners.Parameterized.Parameters; + +import de.inetsoftware.jwebassembly.ScriptEngine; +import de.inetsoftware.jwebassembly.WasmRule; +import de.inetsoftware.jwebassembly.api.annotation.Export; + +/** + * Run some tests which not return static/fix values likes times or random value and which are difficult to compare. + * + * @author Volker Berlin + * + */ +@RunWith( Parameterized.class ) +public class DynamicValues { + + @ClassRule + public static WasmRule rule = new WasmRule( TestClass.class ); + + private final ScriptEngine script; + + public DynamicValues( ScriptEngine script ) { + this.script = script; + } + + @Parameters( name = "{0}" ) + public static Collection data() { + return ScriptEngine.testParams(); + } + + @Test + public void currentTimeMillis() { + assumeFalse( script == ScriptEngine.SpiderMonkey || script == ScriptEngine.SpiderMonkeyWat ); + long before = System.currentTimeMillis(); + String result = rule.evalWasm( script, "currentTimeMillis" ); + long after = System.currentTimeMillis(); + long val = Long.parseLong( result ); + assertTrue( before + "<=" + val + "<=" + after, before <= val && val <= after ); + } + + static class TestClass { + + @Export + static long currentTimeMillis() { + return System.currentTimeMillis(); + } + } +}