// HasData is true if the event has trailer consisting of a
	// varint length followed by unencoded bytes of some data.
	//
	// An event may not be both a timed event and have data.
	HasData bool

	// IsStack indicates that the event represents a complete
	// stack trace. Specifically, it means that after the arguments
	// there's a varint length, followed by 4*length varints. Each
	// group of 4 represents the PC, file ID, func ID, and line number

	return len(buf.arr)-buf.pos >= size
}

// varintAt writes varint v at byte position pos in buf. This always
// consumes traceBytesPerNumber bytes. This is intended for when the caller
// needs to reserve space for a varint but can't populate it until later.
// Use varintReserve to reserve this space.
func (buf *traceBuf) varintAt(pos int, v uint64) {
	for i := 0; i < traceBytesPerNumber; i++ {

			strings.HasSuffix(name, ".opendefer"),
			strings.HasSuffix(name, ".arginfo0"),
			strings.HasSuffix(name, ".arginfo1"),
			strings.HasSuffix(name, ".argliveinfo"):
			// These are just bytes, or varints.
			align = 1
		case strings.HasPrefix(name, "gclocals·"):
			// It has 32-bit fields.
			align = 4
		default:
			switch {
			case w.ctxt.Arch.PtrSize == 8 && s.Size%8 == 0:
				align = 8

// sequences and encoding and decoding of varints.
//
// Numbers are translated by reading and writing fixed-size values.
// A fixed-size value is either a fixed-size arithmetic
// type (bool, int8, uint8, int16, float32, complex64, ...)
// or an array or struct containing only fixed-size values.
//
// The varint functions encode and decode single integer values using

// with the following instructions:
//
//	00000000: stop
//	0nnnnnnn: emit n bits copied from the next (n+7)/8 bytes
//	10000000 n c: repeat the previous n bits c times; n, c are varints
//	1nnnnnnn c: repeat the previous n bits c times; c is a varint

// runGCProg returns the number of 1-bit entries written to memory.
func runGCProg(prog, dst *byte) uintptr {
	dstStart := dst

	// Bits waiting to be written to memory.

        toComponent.getCandidatesForGraphVariantSelection().variants.addAll(toConfig)

        expect:
        dep.selectVariants(variantSelector, attributes([:]), toComponent, attributesSchema, [] as Set).variants == [toConfig]
    }

    @Unroll("selects variant '#expected' from target component (#scenario)")
    def "selects the variant from target component that matches the attributes"() {

        def variant = Stub(VariantGraphResolveState)
        variant.toString() >> name
        variant.name >> name
        def configuration = Stub(ConfigurationGraphResolveState)
        component.getConfiguration(name) >> configuration
        configuration.name >> name
        configuration.toString() >> name
        configuration.asVariant() >> variant
        configuration.metadata >> metadata

 */

package org.gradle.api.internal.artifacts;

import org.gradle.api.artifacts.component.ComponentIdentifier;

/**
 * A node identifier that uniquely identifies a variant within a component by the variant's name.
 *
 * Note: Generally, variants should be identified by their attributes and capabilities, as the name
 * is more of a human-readable identifier.
 */
public class ComponentVariantNodeIdentifier implements NodeIdentifier {

        conf2.artifacts.add(Mock(PublishArtifact))
        ConfigurationVariant variant2 = conf2.outgoing.getVariants().create("variant2")
        variant2.attributes.attribute(Attribute.of("foo2", String), "bar2")
        variant2.artifacts.add(Stub(PublishArtifact))
        variant2.artifacts.add(Stub(PublishArtifact))

        when:

            baseVariant = immutableMetadata.getConfiguration('runtime')
        }

        then:
        variants.size() == initialVariantCount + 1
        variants.last().name == 'new-variant'
        variants.last().attributes == baseVariant.attributes
        variants.last().capabilities == baseVariant.capabilities