test(ext/node): compare free memory in log scale (denoland#21475)

crowlKats · Dec 6, 2023 · f75eb12 · f75eb12
1 parent 1ac3706
commit f75eb12
Showing 1 changed file with 9 additions and 4 deletions.
diff --git a/cli/tests/unit_node/os_test.ts b/cli/tests/unit_node/os_test.ts
@@ -290,13 +290,18 @@ Deno.test({
  },
 });
 
+// Gets the diff in log_10 scale
+function diffLog10(a: number, b: number): number {
+ return Math.abs(Math.log10(a) - Math.log10(b));
+}
+
 Deno.test({
  name:
  "os.freemem() is equivalent of Deno.systemMemoryInfo().free except on linux",
  ignore: Deno.build.os === "linux",
  fn() {
- const diff = Math.abs(os.freemem() - Deno.systemMemoryInfo().free);
- assert(diff < 10_000);
+ const diff = diffLog10(os.freemem(), Deno.systemMemoryInfo().free);
+ assert(diff < 1);
  },
 });
 
@@ -305,7 +310,7 @@ Deno.test({
  "os.freemem() is equivalent of Deno.systemMemoryInfo().available on linux",
  ignore: Deno.build.os !== "linux",
  fn() {
- const diff = Math.abs(os.freemem() - Deno.systemMemoryInfo().available);
- assert(diff < 10_000);
+ const diff = diffLog10(os.freemem(), Deno.systemMemoryInfo().available);
+ assert(diff < 1);
  },
 });