2 files changed, 136 insertions, 0 deletions
diff --git a/odcsim-core/src/test/kotlin/com/atlarge/odcsim/ActorSystemFactoryTest.kt b/odcsim-core/src/test/kotlin/com/atlarge/odcsim/ActorSystemFactoryTest.kt
new file mode 100644
index 00000000..a374548c
--- /dev/null
+++ b/odcsim-core/src/test/kotlin/com/atlarge/odcsim/ActorSystemFactoryTest.kt
@@ -0,0 +1,35 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2018 atlarge-research
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package com.atlarge.odcsim
+
+/**
+ * A conformance test suite for implementors of the [ActorSystemFactory] interface.
+ */
+abstract class ActorSystemFactoryTest {
+    /**
+     * Create an [ActorSystemFactory] instance to test.
+     */
+    abstract fun createFactory(): ActorSystemFactory
+}
diff --git a/odcsim-core/src/test/kotlin/com/atlarge/odcsim/ActorSystemTest.kt b/odcsim-core/src/test/kotlin/com/atlarge/odcsim/ActorSystemTest.kt
new file mode 100644
index 00000000..62df356b
--- /dev/null
+++ b/odcsim-core/src/test/kotlin/com/atlarge/odcsim/ActorSystemTest.kt
@@ -0,0 +1,101 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2018 atlarge-research
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package com.atlarge.odcsim
+
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertTrue
+import org.junit.jupiter.api.Assumptions.assumeTrue
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.assertThrows
+import java.lang.IllegalArgumentException
+
+const val DELTA: Double = 0.0001
+
+/**
+ * A conformance test suite for implementors of the [ActorSystem] interface.
+ */
+abstract class ActorSystemTest {
+    /**
+     * An [ActorSystemFactory] provided by implementors to create the [ActorSystem] to be tested.
+     */
+    abstract val factory: ActorSystemFactory
+
+    /**
+     * Test whether the created [ActorSystem] has the correct name.
+     */
+    @Test
+    fun `should have a name`() {
+        val name = "test"
+        val system = factory(object : Behavior<Unit> {}, name)
+
+        assertEquals(name, system.name)
+    }
+
+    /**
+     * Test whether creating an [ActorSystem] sets the initial time at 0.
+     */
+    @Test
+    fun `should start at t=0`() {
+        val system = factory(object : Behavior<Unit> {}, name = "test")
+
+        assertTrue(Math.abs(system.time) < DELTA)
+    }
+
+    /**
+     * Test whether an [ActorSystem] does not accept invalid points in time.
+     */
+    @Test
+    fun `should not accept negative instants for running`() {
+        val system = factory(object : Behavior<Unit> {}, name = "test")
+        assertThrows<IllegalArgumentException> { system.run(-10.0) }
+    }
+
+    /**
+     * Test whether an [ActorSystem] will not jump backward in time when asking to run until a specified instant
+     * that has already occurred.
+     */
+    @Test
+    fun `should not jump backward in time`() {
+        val until = 10.0
+        val system = factory(object : Behavior<Unit> {}, name = "test")
+
+        system.run(until = until)
+        system.run(until = until - 0.5)
+        assertTrue(Math.abs(system.time - until) < DELTA)
+    }
+
+    /**
+     * Test whether an [ActorSystem] will jump forward in time when asking to run until a specified instant.
+     */
+    @Test
+    fun `should jump forward in time`() {
+        val until = 10.0
+        val system = factory(object : Behavior<Unit> {}, name = "test")
+
+        assumeTrue(Math.abs(system.time) < DELTA)
+        system.run(until = until)
+        assertTrue(Math.abs(system.time - until) < DELTA)
+    }
+}