mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-06-25 20:29:33 +00:00
79 lines
2.6 KiB
JavaScript
79 lines
2.6 KiB
JavaScript
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// This code generates the test cases jit-test/tests/baseline/no-such-property-getprop.js
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//
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// In particular, it generates the testChain_<N>_<I>() and runChain_<N>_<I>() functions
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// at the tail of the file.
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var TEST_CASE_FUNCS = [];
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function runChain_NNNN_DDDD(obj) {
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var sum = 0;
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for (var i = 0; i < 100; i++)
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sum += obj.foo;
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return sum;
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}
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function testChain_NNNN_DDDD() {
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var obj = createTower(NNNN);
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assertEq(runChain_NNNN_DDDD(obj), NaN);
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updateChain(obj, DDDD, 'foo', 9);
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assertEq(runChain_NNNN_DDDD(obj), 900);
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}
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function generateTestCase(n, d) {
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var runFuncName = "runChain_" + n + "_" + d;
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var testFuncName = "testChain_" + n + "_" + d;
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TEST_CASE_FUNCS.push(testFuncName);
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print("//// Test chain of length " + n + " with late-property-addition at depth " + d);
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print(uneval(runChain_NNNN_DDDD).replace(/NNNN/g, ''+n).replace(/DDDD/g, ''+d));
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print(uneval(testChain_NNNN_DDDD).replace(/NNNN/g, ''+n).replace(/DDDD/g, ''+d));
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print("");
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}
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// Helper function to create an object with a proto-chain of length N.
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function createTower(n) {
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var result = Object.create(null);
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for (var i = 0; i < n; i++)
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result = Object.create(result);
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return result;
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}
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function updateChain(obj, depth, prop, value) {
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// Walk down the proto chain |depth| iterations and set |prop| to |value|.
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var cur = obj;
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for (var i = 0; i < depth; i++)
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cur = Object.getPrototypeOf(cur);
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var desc = {value:value, writable:true, configurable:true, enumerable:true};
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Object.defineProperty(cur, prop, desc);
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}
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print("/////////////////////////////////////////");
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print("// This is a generated file!");
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print("// See jit-tests/etc/generate-nosuchproperty-tests.js for the code");
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print("// that generated this code!");
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print("/////////////////////////////////////////");
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print("");
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print("/////////////////////////////////////////");
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print("// PRELUDE //");
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print("/////////////////////////////////////////");
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print("");
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print(createTower);
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print(updateChain);
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print("");
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print("/////////////////////////////////////////");
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print("// TEST CASES //");
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print("/////////////////////////////////////////");
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print("");
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for (var n = 0; n <= 10; n++) {
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for (var d = 0; d <= n; d++) {
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generateTestCase(n, d);
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}
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}
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print("");
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print("/////////////////////////////////////////");
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print("// RUNNER //");
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print("/////////////////////////////////////////");
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print("");
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for (var i = 0; i < TEST_CASE_FUNCS.length; i++)
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print(TEST_CASE_FUNCS[i] + "();");
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