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add more corner case tests to float_parse (#11727)

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also drop some unused constants

Co-authored-by: Andrew Kelley <andrew@ziglang.org>
This commit is contained in:
Andreas Reischuck
2022-05-27 04:05:53 +02:00
committed by GitHub
parent 41162ed646
commit 5a8b6149fb
2 changed files with 10 additions and 2 deletions
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10
lib/std/fmt/parse_float.zig
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@@ -57,6 +57,16 @@ test "fmt.parseFloat" {
try expect(approxEqAbs(T, try parseFloat(T, "1e-2"), 0.01, epsilon));
try expect(approxEqAbs(T, try parseFloat(T, "1234e-2"), 12.34, epsilon));
try expect(approxEqAbs(T, try parseFloat(T, "1."), 1, epsilon));
try expect(approxEqAbs(T, try parseFloat(T, "0."), 0, epsilon));
try expect(approxEqAbs(T, try parseFloat(T, ".1"), 0.1, epsilon));
try expect(approxEqAbs(T, try parseFloat(T, ".0"), 0, epsilon));
try expect(approxEqAbs(T, try parseFloat(T, ".1e-1"), 0.01, epsilon));
try expectError(error.InvalidCharacter, parseFloat(T, ".")); // At least one digit is required.
try expectError(error.InvalidCharacter, parseFloat(T, ".e1")); // At least one digit is required.
try expectError(error.InvalidCharacter, parseFloat(T, "0.e")); // At least one digit is required.
try expect(approxEqAbs(T, try parseFloat(T, "123142.1"), 123142.1, epsilon));
try expect(approxEqAbs(T, try parseFloat(T, "-123142.1124"), @as(T, -123142.1124), epsilon));
try expect(approxEqAbs(T, try parseFloat(T, "0.7062146892655368"), @as(T, 0.7062146892655368), epsilon));