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wren/test/core/map/to_string.wren
T

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// Handle empty map.
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System.print({}.toString) // expect: {}
// Does not quote strings.
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System.print({"1": "2"}.toString) // expect: {1: 2}
// Nested maps.
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System.print({1: {2: {}}}) // expect: {1: {2: {}}}
// Calls toString on elements.
class Foo {
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construct new() {}
toString { "Foo.toString" }
}
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System.print({1: Foo.new()}) // expect: {1: Foo.toString}
// Since iteration order is unspecified, we don't know what order the results
// will be.
var s = {1: 2, 3: 4, 5: 6}.toString
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System.print(s == "{1: 2, 3: 4, 5: 6}" ||
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s == "{1: 2, 5: 6, 3: 4}" ||
s == "{3: 4, 1: 2, 5: 6}" ||
s == "{3: 4, 5: 6, 1: 2}" ||
s == "{5: 6, 1: 2, 3: 4}" ||
s == "{5: 6, 3: 4, 1: 2}") // expect: true
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// TODO: Handle maps that contain themselves.