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# IGraph R package
# Copyright (C) 2005-2013 Gabor Csardi <csardi.gabor@gmail.com>
# 334 Harvard street, Cambridge, MA 02139 USA
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301 USA
#
###################################################################
#' Run package tests
#'
#' Runs all package tests.
#'
#' The `testthat` package is needed to run all tests. The location tests
#' themselves can be extracted from the package via `system.file("tests",
#' package="igraph")`.
#'
#' This function simply calls the `test_dir` function from the
#' `testthat` package on the test directory.
#'
#' @aliases igraphtest
#' @return Whatever is returned by `test_dir` from the `testthat`
#' package.
#' @author Gabor Csardi \email{csardi.gabor@@gmail.com}
#' @keywords graphs
#' @family test
#' @export
igraph_test <- function() {
do.call(require, list("testthat"))
tdir <- system.file("tests", package = "igraph")
do.call("test_dir", list(tdir))
}
# R_igraph_vers -----------------------------------------------------------------------
#' Query igraph's version string
#'
#' Returns the package version.
#'
#' The igraph version string is always the same as the version of the R package.
#'
#' @aliases igraph.version
#' @return A character scalar, the igraph version string.
#' @author Gabor Csardi \email{csardi.gabor@@gmail.com}
#' @keywords graphs
#' @family test
#' @export
#' @examples
#'
#' ## Compare to the package version
#' packageDescription("igraph")$Version
#' igraph_version()
#'
igraph_version <- function() {
unname(asNamespace("igraph")$.__NAMESPACE__.$spec["version"])
}
checkpkg <- function(package_file, args = character()) {
package_file <- as.character(package_file)
args <- as.character(args)
do.call(":::", list("tools", ".check_packages"))(c(package_file, args))
}
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