e39dd65cf0
Let's just treat missing arguments as undefined and throw with 'target/handler must be object' - this is more JavaScript-y.
43 lines
1.1 KiB
JavaScript
43 lines
1.1 KiB
JavaScript
test("constructs properly", () => {
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expect(() => {
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new Proxy({}, {});
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}).not.toThrow();
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});
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test("constructor argument count", () => {
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expect(() => {
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new Proxy();
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}).toThrowWithMessage(
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TypeError,
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"Expected target argument of Proxy constructor to be object, got undefined"
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);
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expect(() => {
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new Proxy({});
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}).toThrowWithMessage(
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TypeError,
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"Expected handler argument of Proxy constructor to be object, got undefined"
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);
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});
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test("constructor requires objects", () => {
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expect(() => {
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new Proxy(1, {});
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}).toThrowWithMessage(
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TypeError,
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"Expected target argument of Proxy constructor to be object, got 1"
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);
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expect(() => {
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new Proxy({}, 1);
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}).toThrowWithMessage(
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TypeError,
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"Expected handler argument of Proxy constructor to be object, got 1"
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);
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});
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test("constructor must be invoked with 'new'", () => {
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expect(() => {
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Proxy({}, {});
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}).toThrowWithMessage(TypeError, "Proxy constructor must be called with 'new'");
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});
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