Add a simple java 16 project test

src/test/groovy/net/fabricmc/loom/test/integration/Java16ProjectTest.groovy

@@ -0,0 +1,49 @@
+/*
+ * This file is part of fabric-loom, licensed under the MIT License (MIT).
+ *
+ * Copyright (c) 2016, 2017, 2018 FabricMC
+ *
+ * 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 net.fabricmc.loom.test.integration
+
+import net.fabricmc.loom.test.util.ProjectTestTrait
+import spock.lang.Specification
+import spock.lang.Unroll
+
+import static org.gradle.testkit.runner.TaskOutcome.SUCCESS
+
+class Java16ProjectTest extends Specification implements ProjectTestTrait {
+	@Override
+	String name() {
+		"java16"
+	}
+
+	@Unroll
+	def "build (gradle #gradle)"() {
+		when:
+			def result = create("build", gradle)
+		then:
+			result.task(":build").outcome == SUCCESS
+		where:
+			gradle              | _
+			DEFAULT_GRADLE      | _
+	}
+}

src/test/resources/projects/java16/build.gradle

@@ -0,0 +1,27 @@
+plugins {
+	id 'fabric-loom'
+	id 'maven-publish'
+}
+
+sourceCompatibility = JavaVersion.VERSION_16
+targetCompatibility = JavaVersion.VERSION_16
+
+archivesBaseName = project.archives_base_name
+version = project.mod_version
+group = project.maven_group
+
+dependencies {
+	// To change the versions see the gradle.properties file
+	minecraft "com.mojang:minecraft:${project.minecraft_version}"
+	mappings "net.fabricmc:yarn:${project.yarn_mappings}:v2"
+	modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
+}
+
+tasks.withType(JavaCompile).configureEach {
+	it.options.encoding = "UTF-8"
+	it.options.release = 16
+}
+
+java {
+	withSourcesJar()
+}

src/test/resources/projects/java16/gradle.properties

@@ -0,0 +1,9 @@
+org.gradle.jvmargs=-Xmx1G
+
+minecraft_version=21w19a
+yarn_mappings=21w19a+build.1
+loader_version=0.11.2
+
+mod_version = 1.0.0
+maven_group = com.example
+archives_base_name = fabric-example-mod

src/test/resources/projects/java16/settings.gradle

@@ -0,0 +1,2 @@
+rootProject.name = "fabric-example-mod"
+

src/test/resources/projects/java16/src/main/java/net/fabricmc/example/ExampleMod.java

@@ -0,0 +1,14 @@
+package net.fabricmc.example;
+
+import net.fabricmc.api.ModInitializer;
+
+public class ExampleMod implements ModInitializer {
+	@Override
+	public void onInitialize() {
+		// This code runs as soon as Minecraft is in a mod-load-ready state.
+		// However, some things (like resources) may still be uninitialized.
+		// Proceed with mild caution.
+
+		System.out.println("Hello Fabric world!");
+	}
+}

src/test/resources/projects/java16/src/main/java/net/fabricmc/example/mixin/ExampleMixin.java

@@ -0,0 +1,15 @@
+package net.fabricmc.example.mixin;
+
+import net.minecraft.client.gui.screen.TitleScreen;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(TitleScreen.class)
+public class ExampleMixin {
+	@Inject(at = @At("HEAD"), method = "init()V")
+	private void init(CallbackInfo info) {
+		System.out.println("This line is printed by an example mod mixin!");
+	}
+}

src/test/resources/projects/java16/src/main/resources/fabric.mod.json

@@ -0,0 +1,36 @@
+{
+  "schemaVersion": 1,
+  "id": "modid",
+  "version": "${version}",
+
+  "name": "Example Mod",
+  "description": "This is an example description! Tell everyone what your mod is about!",
+  "authors": [
+    "Me!"
+  ],
+  "contact": {
+    "homepage": "https://fabricmc.net/",
+    "sources": "https://github.com/FabricMC/fabric-example-mod"
+  },
+
+  "license": "CC0-1.0",
+
+  "environment": "*",
+  "entrypoints": {
+    "main": [
+      "net.fabricmc.example.ExampleMod"
+    ]
+  },
+  "mixins": [
+    "modid.mixins.json"
+  ],
+
+  "depends": {
+    "fabricloader": ">=0.7.4",
+    "fabric": "*",
+    "minecraft": "1.16.x"
+  },
+  "suggests": {
+    "another-mod": "*"
+  }
+}

src/test/resources/projects/java16/src/main/resources/modid.mixins.json

@@ -0,0 +1,14 @@
+{
+  "required": true,
+  "minVersion": "0.8",
+  "package": "net.fabricmc.example.mixin",
+  "compatibilityLevel": "JAVA_8",
+  "mixins": [
+  ],
+  "client": [
+    "ExampleMixin"
+  ],
+  "injectors": {
+    "defaultRequire": 1
+  }
+}