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// Smoke test for the PC count profiler.
function f(x) {
if (x < 10)
return 0;
if (x < 50)
return 1;
return 2;
}
L: try {
// Profile the test function "f".
pccount.start();
for (var i = 0; i < 100; ++i) f(i);
pccount.stop();
// Count the profiled scripts, stop if no scripts were profiled.
var n = pccount.count();
if (n === 0)
break L;
// Find the script index for "f".
var scriptIndex = -1;
for (var i = 0; i < n; ++i) {
var summary = JSON.parse(pccount.summary(i));
if (summary.name === "f")
scriptIndex = i;
}
// Stop if the script index for "f" wasn't found.
if (scriptIndex < 0)
break L;
// Retrieve the profiler data for "f".
var contents = pccount.contents(scriptIndex);
assertEq(typeof contents, "string");
// The profiler data should be parsable as JSON text.
var contents = JSON.parse(contents, (name, value) => {
// Split the Ion code segments into multiple entries.
if (name === "code")
return value.split("\n");
return value;
});
// Pretty print the profiler data.
var pretty = JSON.stringify(contents, null, 1);
print(pretty);
} finally {
// Clean-up.
pccount.purge();
}
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