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[tests] Make corelib/compare_to2_test work for web numbers
Change-Id: I98d13d92c486851630aa00f42ed981c1acf0ba53 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/333043 Reviewed-by: Mayank Patke <fishythefish@google.com> Commit-Queue: Stephen Adams <sra@google.com>
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@ -19,7 +19,8 @@ main() {
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var maxNonIntFloorAsDouble = maxNonIntFloorAsInt.toDouble();
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var maxExactIntAsDouble = 9007199254740992.0;
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var maxExactIntAsInt = 9007199254740992;
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var two53 = 1 << 53; // Same as maxExactIntAsInt.
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// Can't use 1 << 53 with web numbers. 2^53 = (2^10)^5 * 2^3.
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int two53 = 1024 * 1024 * 1024 * 1024 * 1024 * 8; // Same as maxExactIntAsInt.
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var two53p1 = two53 + 1;
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var maxFiniteAsDouble = 1.7976931348623157e+308;
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var maxFiniteAsInt = maxFiniteAsDouble.truncate();
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@ -28,14 +29,16 @@ main() {
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var mnan = negate(nan);
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var minInt64 = -0x8000000000000000;
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var minInt64AsDouble = minInt64.toDouble();
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var maxInt64 = 0x7fffffffffffffff;
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// Split 0x7fffffffffffffff into sum of two web numbers. When compiled to
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// JavaScript the sum will round up.
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var maxInt64 = 0x7ffffffffffff000 + 0xfff;
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var maxInt64AsDouble = maxInt64.toDouble(); // 1 << 63
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var matrix = [
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-inf,
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-maxFiniteAsDouble,
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[minInt64, minInt64AsDouble],
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[-maxInt64, -maxFiniteAsInt],
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-two53p1,
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[minInt64, if (!webNumbers) minInt64AsDouble],
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if (!webNumbers) [-maxInt64, -maxFiniteAsInt],
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if (!webNumbers) -two53p1,
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[-two53, -maxExactIntAsInt, -maxExactIntAsDouble],
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-maxNonInt,
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[-maxNonIntFloorAsDouble, -maxNonIntFloorAsInt],
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@ -58,9 +61,9 @@ main() {
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[maxNonIntFloorAsDouble, maxNonIntFloorAsInt],
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maxNonInt,
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[two53, maxExactIntAsInt, maxExactIntAsDouble],
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two53p1,
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[maxInt64, maxFiniteAsInt],
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maxInt64AsDouble,
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if (!webNumbers) two53p1,
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[maxInt64, if (!webNumbers) maxFiniteAsInt],
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if (!webNumbers) maxInt64AsDouble,
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maxFiniteAsDouble,
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inf,
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[nan, mnan],
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