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// Test the source location info in a derived-class default constructor.
function W() { test(); }
class Z extends W {} // line 4
class Y extends Z {} // line 5
class X extends Y {} // line 7
function test() {
for (let frame of new Error().stack.split('\n')) {
function lineNumber(frame) {
return +frame.match(/(\d+):\d+$/)[1];
}
if (frame.startsWith("Z@"))
assertEq(lineNumber(frame), 4);
if (frame.startsWith("Y@"))
assertEq(lineNumber(frame), 5);
if (frame.startsWith("X@"))
assertEq(lineNumber(frame), 7);
}
}
new X;
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