Check if plot title already exists before adding again (#4027)

* Check if plot title already exists before adding again * Add plot title tests
2022-01-12 05:52:43 -08:00
parent 2872c7a345
commit cffeba7609
2 changed files with 37 additions and 14 deletions
@@ -11,3 +11,17 @@ using Plots, Test
    @test pl[3][:yaxis][:scale] == :log10
    @test pl[4][:yaxis][:scale] == :log10
 end
+
+@testset "Plot title" begin
+    pl = plot(rand(4, 8), layout = 4, plot_title = "My title")
+    @test pl[:plot_title] == "My title"
+    @test pl[:plot_titleindex] == 5
+
+    plot!(pl)
+    @test pl[:plot_title] == "My title"
+    @test pl[:plot_titleindex] == 5
+
+    plot!(pl, plot_title = "My new title")
+    @test pl[:plot_title] == "My new title"
+    @test pl[:plot_titleindex] == 5
+end