From 4af23751bca89f418c539de5a408050ebf49ba0c Mon Sep 17 00:00:00 2001
From: Michael Miller <icy.arctic.fox@gmail.com>
Date: Sat, 13 Feb 2021 13:30:05 -0700
Subject: [PATCH] Add specs for value types

---
 spec/spectator/lazy_spec.cr    | 15 +++++++++++++++
 spec/spectator/wrapper_spec.cr | 18 ++++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 spec/spectator/lazy_spec.cr
 create mode 100644 spec/spectator/wrapper_spec.cr

diff --git a/spec/spectator/lazy_spec.cr b/spec/spectator/lazy_spec.cr
new file mode 100644
index 0000000..8458a80
--- /dev/null
+++ b/spec/spectator/lazy_spec.cr
@@ -0,0 +1,15 @@
+require "../spec_helper"
+
+Spectator.describe Spectator::Lazy do
+  subject { Spectator::Lazy(Int32).new }
+
+  it "returns the value of the block" do
+    expect { subject.get { 42 } }.to eq(42)
+  end
+
+  it "caches the value" do
+    count = 0
+    expect { subject.get { count += 1 } }.to change { count }.from(0).to(1)
+    expect { subject.get { count += 1 } }.to_not change { count }
+  end
+end
diff --git a/spec/spectator/wrapper_spec.cr b/spec/spectator/wrapper_spec.cr
new file mode 100644
index 0000000..aa2351c
--- /dev/null
+++ b/spec/spectator/wrapper_spec.cr
@@ -0,0 +1,18 @@
+require "../spec_helper"
+
+Spectator.describe Spectator::Wrapper do
+  it "stores a value" do
+    wrapper = described_class.new(42)
+    expect(wrapper.get(Int32)).to eq(42)
+  end
+
+  it "retrieves a value using the block trick" do
+    wrapper = described_class.new(Int32)
+    expect(wrapper.get { Int32 }).to eq(Int32)
+  end
+
+  it "raises on invalid cast" do
+    wrapper = described_class.new(42)
+    expect { wrapper.get(String) }.to raise_error(TypeCastError)
+  end
+end