# This file is a part of Julia. License is MIT: http://julialang.org/license

# test file to test testing

# Test @test
@test true
@test 1 == 1
@test 1 != 2
@test strip("\t  hi   \n") == "hi"
@test strip("\t  this should fail   \n") != "hi"

scary = Base.Test.Error("hi",DimensionMismatch,[])
@test sprint(showerror,scary) == "test error in expression: hi\nDimensionMismatch"

a = Array(Float64, 2, 2, 2, 2, 2)
a[1,1,1,1,1] = 10
@test a[1,1,1,1,1] == 10
@test a[1,1,1,1,1] != 2

@test rand() != rand()


# Test with_handler
successflag = false
failureflag = false
errorflag = false
test_handler(r::Test.Success) = !successflag
test_handler(r::Test.Failure) = !failureflag
test_handler(r::Test.Error) = !errorflag

Test.with_handler(test_handler) do
    @test true
    @test successflag
    @test !failureflag
    @test !errorflag
    successflag = false
    @test false
    @test !successflag
    @test failureflag
    @test !errorflag
    failureflag = false
    @test error("throw error")
    @test !successflag
    @test !failureflag
    @test errorflag
end

# Test evaluation of comparison tests
i7586_1() = 1
i7586_2() = 7
i7586_3() = 9

comparison_flags_s = [false,false,false]
comparison_flags_f = [false,false,false]
function test_handler2(r::Test.Success)
    comparison_flags_s[1] = (r.resultexpr.args[1] == 1)
    comparison_flags_s[2] = (r.resultexpr.args[3] == 7)
    comparison_flags_s[3] = (r.resultexpr.args[5] == 9)
end

function test_handler2(r::Test.Failure)
    comparison_flags_f[1] = (r.resultexpr.args[1] == 1)
    comparison_flags_f[2] = (r.resultexpr.args[3] == 7)
    comparison_flags_f[3] = (r.resultexpr.args[5] == 10)
end

Test.with_handler(test_handler2) do
    @test i7586_1() <= i7586_2() <= i7586_3()
    @test i7586_1() >= i7586_2() >= 10
end
@test all(comparison_flags_s)
@test all(comparison_flags_f)

# Test @test_throws
domainerror_thrower() = throw(DomainError())
boundserror_thrower() = throw(BoundsError())
error_thrower() = error("An error happened")
@test_throws DomainError domainerror_thrower()
@test_throws BoundsError boundserror_thrower()

failureflag = false
successflag = false
Test.with_handler(test_handler) do
    @test_throws DomainError boundserror_thrower()
    @test failureflag
    @test_throws DomainError domainerror_thrower()
    @test successflag
end


# Test @test_approx_eq
# TODO
@test isapprox(.1+.1+.1, .3)
@test !isapprox(.1+.1+.1, .4)

@test_throws ErrorException Test.test_approx_eq(ones(10),ones(11),1e-8,"a","b")
@test_throws ErrorException Test.test_approx_eq(ones(10),zeros(10),1e-8,"a","b")

# Test @test_approx_eq_eps
# TODO