Synced from DRGTK 2.10.

1 files changed, 92 insertions, 0 deletions

diff --git a/samples/10_advanced_debugging/03_unit_tests/nil_coercion_tests.rb b/samples/10_advanced_debugging/03_unit_tests/nil_coercion_tests.rb
new file mode 100644
index 0000000..dac14b4
--- /dev/null
+++ b/samples/10_advanced_debugging/03_unit_tests/nil_coercion_tests.rb
@@ -0,0 +1,92 @@
+# numbers
+def test_open_entity_add_number args, assert
+  assert.nil! args.state.i_value
+  args.state.i_value += 5
+  assert.equal! args.state.i_value, 5
+
+  assert.nil! args.state.f_value
+  args.state.f_value += 5.5
+  assert.equal! args.state.f_value, 5.5
+end
+
+def test_open_entity_subtract_number args, assert
+  assert.nil! args.state.i_value
+  args.state.i_value -= 5
+  assert.equal! args.state.i_value, -5
+
+  assert.nil! args.state.f_value
+  args.state.f_value -= 5.5
+  assert.equal! args.state.f_value, -5.5
+end
+
+def test_open_entity_multiply_number args, assert
+  assert.nil! args.state.i_value
+  args.state.i_value *= 5
+  assert.equal! args.state.i_value, 0
+
+  assert.nil! args.state.f_value
+  args.state.f_value *= 5.5
+  assert.equal! args.state.f_value, 0
+end
+
+def test_open_entity_divide_number args, assert
+  assert.nil! args.state.i_value
+  args.state.i_value /= 5
+  assert.equal! args.state.i_value, 0
+
+  assert.nil! args.state.f_value
+  args.state.f_value /= 5.5
+  assert.equal! args.state.f_value, 0
+end
+
+# array
+def test_open_entity_add_array args, assert
+  assert.nil! args.state.values
+  args.state.values += [:a, :b, :c]
+  assert.equal! args.state.values, [:a, :b, :c]
+end
+
+def test_open_entity_subtract_array args, assert
+  assert.nil! args.state.values
+  args.state.values -= [:a, :b, :c]
+  assert.equal! args.state.values, []
+end
+
+def test_open_entity_shovel_array args, assert
+  assert.nil! args.state.values
+  args.state.values << :a
+  assert.equal! args.state.values, [:a]
+end
+
+def test_open_entity_enumerate args, assert
+  assert.nil! args.state.values
+  args.state.values = args.state.values.map_with_index { |i| i }
+  assert.equal! args.state.values, []
+
+  assert.nil! args.state.values_2
+  args.state.values_2 = args.state.values_2.map { |i| i }
+  assert.equal! args.state.values_2, []
+
+  assert.nil! args.state.values_3
+  args.state.values_3 = args.state.values_3.flat_map { |i| i }
+  assert.equal! args.state.values_3, []
+end
+
+# hashes
+def test_open_entity_indexer args, assert
+  GTK::Entity.__reset_id__!
+  assert.nil! args.state.values
+  args.state.values[:test] = :value
+  assert.equal! args.state.values.to_s, { entity_id: 1, entity_name: :values, entity_keys_by_ref: {}, test: :value }.to_s
+end
+
+# bug
+def test_open_entity_nil_bug args, assert
+  GTK::Entity.__reset_id__!
+  args.state.foo.a
+  args.state.foo.b
+  @hello[:foobar]
+  assert.nil! args.state.foo.a, "a was not nil."
+  # the line below fails
+  # assert.nil! args.state.foo.b, "b was not nil."
+end