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test: add coverage for napi_has_named_property #13178

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test: add coverage for napi_has_named_property #13178

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1350dc5
test: add coverage for napi_has_named_property
mhdawson May 23, 2017
0af30ca
squash: address comments
mhdawson May 24, 2017
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6 changes: 6 additions & 0 deletions test/addons-napi/test_properties/test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -39,3 +39,9 @@ test_object.readwriteAccessor2 = 2;
assert.strictEqual(test_object.readwriteAccessor2, 2);
assert.strictEqual(test_object.readonlyAccessor2, 2);
assert.throws(() => { test_object.readonlyAccessor2 = 3; }, TypeError);

assert.strictEqual(test_object.hasNamedProperty(test_object, 'echo'), true);
assert.strictEqual(test_object.hasNamedProperty(test_object, 'hiddenValue'),
true);
assert.strictEqual(test_object.hasNamedProperty(test_object, 'doesnotexist'),
false);
23 changes: 23 additions & 0 deletions test/addons-napi/test_properties/test_properties.c
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Expand Up @@ -37,6 +37,28 @@ napi_value Echo(napi_env env, napi_callback_info info) {
return args[0];
}

napi_value HasNamedProperty(napi_env env, napi_callback_info info) {
size_t argc = 2;
napi_value args[2];
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));

NAPI_ASSERT(env, argc == 2, "Wrong number of arguments");

// Extract the name of the property to check
char buffer[128];
size_t copied;
NAPI_CALL(env,
napi_get_value_string_utf8(env, args[1], buffer, sizeof(buffer), &copied));

// do the check and create the boolean return value
bool value;
napi_value result;
NAPI_CALL(env, napi_has_named_property(env, args[0], buffer, &value));
NAPI_CALL(env, napi_get_boolean(env, value, &result));

return result;
}

void Init(napi_env env, napi_value exports, napi_value module, void* priv) {
napi_value number;
NAPI_CALL_RETURN_VOID(env, napi_create_number(env, value_, &number));
Expand All @@ -50,6 +72,7 @@ void Init(napi_env env, napi_value exports, napi_value module, void* priv) {
{ "readwriteAccessor2", 0, 0, GetValue, SetValue, 0, napi_writable, 0},
{ "readonlyAccessor1", 0, 0, GetValue, NULL, 0, napi_default, 0},
{ "readonlyAccessor2", 0, 0, GetValue, NULL, 0, napi_writable, 0},
{ "hasNamedProperty", 0, HasNamedProperty, 0, 0, 0, napi_default, 0 },
};

NAPI_CALL_RETURN_VOID(env, napi_define_properties(
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