VersionRange range = VersionRange.createFromVersionSpec("[1.0,1.2]");
        assertSame(range, VersionRange.createFromVersionSpec("[1.0,1.2]")); // same instance from spec cache

        VersionRange spec = VersionRange.createFromVersionSpec("1.0");
        assertSame(spec, VersionRange.createFromVersionSpec("1.0")); // same instance from spec cache

        VersionRange vr = VersionRange.createFromVersionSpec("[1.0,2.0)");
        artifact = new DefaultArtifact(groupId, artifactId, vr, scope, type, null, artifactHandler);
        assertNull(artifact.getVersion());
        assertNull(artifact.getBaseVersion());
    }

    @Test
    void testMNG7780() throws Exception {
        VersionRange vr = VersionRange.createFromVersionSpec("[1.0,2.0)");

        } else {
            return reverse;
        }
    }

    private boolean matchJdkVersionRange(String jdk) throws InvalidVersionSpecificationException {
        VersionRange jdkVersionRange = VersionRange.createFromVersionSpec(convertJdkToMavenVersion(jdk));
        DefaultArtifactVersion jdkVersion = new DefaultArtifactVersion(convertJdkToMavenVersion(getJdkVersion()));
        return jdkVersionRange.containsVersion(jdkVersion);
    }

            this.version = new DefaultArtifactVersion(version);
        }

        @Override
        public boolean matches(String requirement) {
            try {
                VersionRange range = VersionRange.createFromVersionSpec(requirement);
                if (range.hasRestrictions()) {
                    return range.containsVersion(version);
                } else {

        if (d.getVersion() == null) {
            return null;
        }

        VersionRange versionRange;
        try {
            versionRange = VersionRange.createFromVersionSpec(d.getVersion());
        } catch (InvalidVersionSpecificationException e) {
            return null;
        }

        Artifact artifact = createDependencyArtifactX(
                d.getGroupId(),

        String effectiveScope = getEffectiveScope(dependency.getScope(), inheritedScope);

        if (effectiveScope == null) {
            return null;
        }

        VersionRange versionRange = VersionRange.createFromVersionSpec(dependency.getVersion());

        Artifact dependencyArtifact = factory.createDependencyArtifact(
                dependency.getGroupId(),
                dependency.getArtifactId(),
                versionRange,

    protected Artifact createArtifact(String id, String version, String scope, String inheritedScope, boolean optional)
            throws InvalidVersionSpecificationException {
        VersionRange versionRange = VersionRange.createFromVersionSpec(version);

        return artifactFactory.createDependencyArtifact(
                GROUP_ID, id, versionRange, "jar", null, scope, inheritedScope, optional);
    }

    }

    public Artifact createDependencyArtifact(Dependency d) {
        VersionRange versionRange;
        try {
            versionRange = VersionRange.createFromVersionSpec(d.getVersion());
        } catch (InvalidVersionSpecificationException e) {
            // MNG-5368: Log a message instead of returning 'null' silently.
            this.logger.error(
                    String.format(

        try {
            String version = plugin.getVersion();
            if (version == null || version.isEmpty()) {
                version = "RELEASE";
            }
            versionRange = VersionRange.createFromVersionSpec(version);
        } catch (InvalidVersionSpecificationException e) {
            return null;
        }

            String id, String version, String scope, String inheritedScope, boolean optional)
            throws InvalidVersionSpecificationException {
        VersionRange versionRange = VersionRange.createFromVersionSpec(version);
        Artifact artifact = artifactFactory.createDependencyArtifact(
                GROUP_ID, id, versionRange, "jar", null, scope, inheritedScope, optional);
        ArtifactSpec spec = null;