diff options
Diffstat (limited to 'js/src/jit-test/tests/debug/Memory-allocationSamplingProbability-01.js')
-rw-r--r-- | js/src/jit-test/tests/debug/Memory-allocationSamplingProbability-01.js | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Memory-allocationSamplingProbability-01.js b/js/src/jit-test/tests/debug/Memory-allocationSamplingProbability-01.js new file mode 100644 index 0000000000..3dbd7be9d9 --- /dev/null +++ b/js/src/jit-test/tests/debug/Memory-allocationSamplingProbability-01.js @@ -0,0 +1,45 @@ +// Test that setting Debugger.Memory.prototype.allocationSamplingProbability to +// a bad number throws. + +load(libdir + "asserts.js"); + +const root = newGlobal({newCompartment: true}); + +const dbg = new Debugger(); +const wrappedRoot = dbg.addDebuggee(root); + +var mem = dbg.memory; + +// Out of range, negative +assertThrowsInstanceOf(() => mem.allocationSamplingProbability = -Number.MAX_VALUE, + TypeError); +assertThrowsInstanceOf(() => mem.allocationSamplingProbability = -1, + TypeError); +assertThrowsInstanceOf(() => mem.allocationSamplingProbability = -Number.MIN_VALUE, + TypeError); + +// In range +mem.allocationSamplingProbability = -0.0; +mem.allocationSamplingProbability = 0.0; +mem.allocationSamplingProbability = Number.MIN_VALUE; +mem.allocationSamplingProbability = 1 / 3; +mem.allocationSamplingProbability = .5; +mem.allocationSamplingProbability = 2 / 3; +mem.allocationSamplingProbability = 1 - Math.pow(2, -53); +mem.allocationSamplingProbability = 1; + +// Out of range, positive +assertThrowsInstanceOf(() => mem.allocationSamplingProbability = 1 + Number.EPSILON, + TypeError); +assertThrowsInstanceOf(() => mem.allocationSamplingProbability = 2, + TypeError); +assertThrowsInstanceOf(() => mem.allocationSamplingProbability = Number.MAX_VALUE, + TypeError); + +// Out of range, non-finite +assertThrowsInstanceOf(() => mem.allocationSamplingProbability = -Infinity, + TypeError); +assertThrowsInstanceOf(() => mem.allocationSamplingProbability = Infinity, + TypeError); +assertThrowsInstanceOf(() => mem.allocationSamplingProbability = NaN, + TypeError); |