From cce1a2a73e4155a6233822380c26d6c063f72de1 Mon Sep 17 00:00:00 2001
From: ylxdzsw <ylxdzsw@gmail.com>
Date: Wed, 26 Jul 2017 09:57:20 +0800
Subject: [PATCH] add tests for throttle

---
 test/runtests.jl |  1 +
 test/throttle.jl | 49 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 50 insertions(+)
 create mode 100644 test/throttle.jl

diff --git a/test/runtests.jl b/test/runtests.jl
index 655d924a..7128e13b 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -18,6 +18,7 @@ include("backend/common.jl")
 include("basic.jl")
 include("recurrent.jl")
 include("optimizer.jl")
+include("throttle.jl")
 
 @tfonly include("backend/tensorflow.jl")
 @mxonly include("backend/mxnet.jl")
diff --git a/test/throttle.jl b/test/throttle.jl
new file mode 100644
index 00000000..d3dcd925
--- /dev/null
+++ b/test/throttle.jl
@@ -0,0 +1,49 @@
+using Flux.throttle
+
+@testset "throttle" begin
+  @testset "default behaviour" begin
+    a = []
+    f = throttle(()->push!(a, now()), 1, leading=true, trailing=false)
+    f()
+    f()
+    f()
+    sleep(1.01)
+    @test length(a) == 1
+  end
+
+  @testset "leading behaviour" begin
+    a = []
+    f = throttle(()->push!(a, now()), 1, leading=true, trailing=false)
+    f()
+    @test length(a) == 1
+    f()
+    @test length(a) == 1
+    sleep(1.01)
+    f()
+    @test length(a) == 2
+  end
+
+  @testset "trailing behaviour" begin
+    a = []
+    f = throttle(()->push!(a, now()), 1, leading=false, trailing=true)
+    f()
+    @test length(a) == 0
+    f()
+    @test length(a) == 0
+    sleep(1.01)
+    @test length(a) == 1
+  end
+
+  @testset "arguments" begin
+    a = []
+    f = throttle((x)->push!(a, x), 1, leading=true, trailing=true)
+    f(1)
+    @test a == [1]
+    f(2)
+    @test a == [1]
+    f(3)
+    @test a == [1]
+    sleep(1.01)
+    @test a == [1, 3]
+  end
+end