test262/test/language/statements/class/static-init-sequence.js

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JavaScript

// Copyright (C) 2021 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-runtime-semantics-classelementevaluation
description: Static blocks are evaluated in the order they appear in the source text, interleaved with static fields
info: |
5.1.14 Runtime Semantics: ClassDefinitionEvaluation
[...]
34. For each element elementRecord of staticElements in List order, do
a. If elementRecord is a ClassFieldDefinition Record, then
i. Let status be the result of performing DefineField(F,
elementRecord).
b. Else,
i. Assert: fieldRecord is a ClassStaticBlockDefinition Record.
ii. Let status be the result of performing EvaluateStaticBlock(F,
elementRecord).
[...]
features: [class-static-fields-public, class-static-block]
---*/
var sequence = [];
class C {
static x = sequence.push('first field');
static {
sequence.push('first block');
}
static x = sequence.push('second field');
static {
sequence.push('second block');
}
}
assert.sameValue(sequence[0], 'first field');
assert.sameValue(sequence[1], 'first block');
assert.sameValue(sequence[2], 'second field');
assert.sameValue(sequence[3], 'second block');