### library(metafor); library(testthat); Sys.setenv(NOT_CRAN="true"); Sys.setenv(RUN_VIS_TESTS="true")
### see also: https://www.metafor-project.org/doku.php/plots:funnel_plot_with_trim_and_fill
source("settings.r")
context("Checking plots example: funnel plot with trim and fill")
test_that("plot can be drawn.", {
expect_equivalent(TRUE, TRUE) # avoid 'Empty test' message
skip_on_cran()
res <- rma(yi, vi, data=dat.hackshaw1998, measure="OR")
taf <- trimfill(res)
out <- capture.output(print(taf))
png("images/test_plots_funnel_plot_with_trim_and_fill_light_test.png", res=200, width=1800, height=1500, type="cairo")
par(mar=c(5,4,1,2))
funnel(taf, legend=list(show="cis"))
dev.off()
expect_true(.vistest("images/test_plots_funnel_plot_with_trim_and_fill_light_test.png", "images/test_plots_funnel_plot_with_trim_and_fill_light.png"))
png("images/test_plots_funnel_plot_with_trim_and_fill_dark_test.png", res=200, width=1800, height=1500, type="cairo")
setmfopt(theme="dark")
par(mar=c(5,4,1,2))
funnel(taf, legend=list(show="cis"))
setmfopt(theme="default")
dev.off()
expect_true(.vistest("images/test_plots_funnel_plot_with_trim_and_fill_dark_test.png", "images/test_plots_funnel_plot_with_trim_and_fill_dark.png"))
})
rm(list=ls())
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