events.size() > 0
        events.size() == events1.size() + events2.size() // no events from other toolchains
        assertToolchainUsages(events1, jdkMetadata1, "JavaLauncher")
        assertToolchainUsages(events2, jdkMetadata2, "JavaLauncher")
    }

    def "emits toolchain usages for custom tasks each using a different toolchain"() {
        JvmInstallationMetadata jdkMetadata1 = AvailableJavaHomes.getJvmInstallationMetadata(Jvm.current())

	// To recap, so far we have built the new toolchain
	// (cmd/asm, cmd/cgo, cmd/compile, cmd/link)
	// using the Go bootstrap toolchain and go command.
	// Then we built the new go command (as go_bootstrap)
	// using the new toolchain and our own build logic (above).
	//
	//	toolchain1 = mk(new toolchain, go1.17 toolchain, go1.17 cmd/go)
	//	go_bootstrap = mk(new cmd/go, toolchain1, cmd/dist)
	//

    <groupId>org.apache.maven</groupId>
    <artifactId>maven-api</artifactId>
    <version>4.0.0-beta-4-SNAPSHOT</version>
  </parent>

  <artifactId>maven-api-toolchain</artifactId>

  <name>Maven 4 API :: Toolchain</name>
  <description>Maven 4 API - Immutable Toolchain model.</description>

  <dependencies>
    <dependency>
      <groupId>org.apache.maven</groupId>
      <artifactId>maven-api-meta</artifactId>
    </dependency>

import org.gradle.internal.service.scopes.AbstractGradleModuleServices;
import org.gradle.jvm.JvmLibrary;
import org.gradle.jvm.toolchain.JavadocTool;
import org.gradle.jvm.toolchain.internal.JavaToolchain;
import org.gradle.jvm.toolchain.internal.ToolchainToolFactory;
import org.gradle.language.java.artifact.JavadocArtifact;
import org.gradle.process.internal.ExecActionFactory;

import java.nio.file.Path
import java.nio.file.Paths
import java.util.stream.Collectors

import static org.gradle.jvm.toolchain.JavaToolchainDownloadUtil.applyToolchainResolverPlugin
import static org.gradle.jvm.toolchain.JavaToolchainDownloadUtil.singleUrlResolverCode

// We need to test specifically versions before the toolchain provisioning was fixed that support resolvers.

    }

    def "source and target compatibility override toolchain (source #source, target #target)"() {
        def jdk11 = AvailableJavaHomes.getJdk(JavaVersion.VERSION_11)

        buildFile << """
            apply plugin: 'java'

            java {
                toolchain {
                    languageVersion = JavaLanguageVersion.of(11)
                }
            }

import org.gradle.api.provider.ProviderFactory;
import org.gradle.api.resources.TextResource;
import org.gradle.api.tasks.SourceSet;
import org.gradle.jvm.toolchain.JavaLauncher;
import org.gradle.jvm.toolchain.JavaToolchainService;
import org.gradle.jvm.toolchain.JavaToolchainSpec;
import org.gradle.jvm.toolchain.internal.CurrentJvmToolchainSpec;

import javax.inject.Inject;
import java.io.File;
import java.util.Map;

 */

package org.gradle.jvm.toolchain.internal;

import org.gradle.internal.jvm.inspection.JvmInstallationMetadata;
import org.gradle.internal.jvm.inspection.JvmVendor;
import org.gradle.jvm.toolchain.JavaLanguageVersion;
import org.gradle.jvm.toolchain.JavaToolchainSpec;
import org.gradle.jvm.toolchain.JvmImplementation;
import org.gradle.jvm.toolchain.JvmVendorSpec;

import java.util.function.Predicate;

import org.gradle.jvm.toolchain.JavaInstallationMetadata;

import javax.annotation.Nullable;
import java.io.File;

public class DefaultJavaCompileSpecFactory extends AbstractJavaCompileSpecFactory<DefaultJavaCompileSpec> {
    public DefaultJavaCompileSpecFactory(CompileOptions compileOptions, @Nullable JavaInstallationMetadata toolchain) {
        super(compileOptions, toolchain);
    }

    @Override

org.gradle.api.file.FileCollection, org.gradle.api.internal.artifacts.configurations.RoleBasedConfigurationContainerInternal, org.gradle.api.artifacts.Configuration, org.gradle.language.cpp.CppPlatform, org.gradle.nativeplatform.toolchain.internal.NativeToolChainInternal, org.gradle.nativeplatform.toolchain.internal.PlatformToolProvider, org.gradle.language.cpp.internal.NativeVariantIdentity)> calls method <org.gradle.api.internal.artifacts.configurations.RoleBasedConfigurationContainerInternal.resolvableDependenc...