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Add a tricky pattern example for assert_receive #1725

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Sep 25, 2013
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Add a tricky pattern example for assert_receive #1725

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13 changes: 8 additions & 5 deletions lib/ex_unit/lib/ex_unit/assertions.ex
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Expand Up @@ -247,9 +247,9 @@ defmodule ExUnit.Assertions do

@doc """
Asserts a message was or is going to be received. Unlike
`assert_received`, it has a default timeout of 100 miliseconds.
`assert_received`, it has a default timeout of 100 milliseconds.

The given `expected` argument must be a pattern.
The given `expected` argument has to be a pattern.

## Examples

Expand All @@ -263,17 +263,20 @@ defmodule ExUnit.Assertions do

assert_receive { :hello, _ }

x = 5
assert_receive { :count, ^x }

"""
defmacro assert_receive(expected, timeout // 100, message // nil) do
do_assert_receive(expected, timeout, message)
end

@doc """
Asserts a message was received and is in the current process mailbox.
The given `expected` argument must be a match pattern.

Asserts a message was received and is in the current process' mailbox.
Timeout is set to 0, so there is no waiting time.

The given `expected` argument has to be a pattern.

## Examples

self <- :hello
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