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-rw-r--r--crates/shirabe-php-rpc/tests/oracle.rs19
1 files changed, 19 insertions, 0 deletions
diff --git a/crates/shirabe-php-rpc/tests/oracle.rs b/crates/shirabe-php-rpc/tests/oracle.rs
index b98f2203..2785d715 100644
--- a/crates/shirabe-php-rpc/tests/oracle.rs
+++ b/crates/shirabe-php-rpc/tests/oracle.rs
@@ -73,6 +73,21 @@ fn encode_direction_matches_php_for_scalars_and_floats() {
5e-324,
1.0 / 3.0,
0.30000000000000004,
+ // The two edges of the plain-notation window, approached from both sides: PHP keeps a
+ // decimal exponent of -4..=16 in plain notation whatever the digit count, and the widest
+ // mantissa an f64 has does not push the large edge outwards.
+ 1e-3,
+ -1e-5,
+ 1.23456789e-5,
+ 0.00012345,
+ 1.2345678901234568e16,
+ 1.2345678901234567e19,
+ -1e17,
+ 1.5e17,
+ f64::MIN,
+ f64::MIN_POSITIVE,
+ f64::EPSILON,
+ 2.5e-323,
f64::NAN,
f64::INFINITY,
f64::NEG_INFINITY,
@@ -226,6 +241,10 @@ fn decode_direction_matches_php_serialize_output() {
"return serialize([\"\\xff\\x00key\" => \"\\x80\\x81\", 0 => \"plain\"]);",
// Floats straight from the PHP formatter.
r#"return serialize([0.1, 2.0, 1e17, 1e-5, -0.0, NAN, INF, -INF, 1/3]);"#,
+ // Both edges of PHP's plain-notation window, plus the extremes of the f64 range.
+ r#"return serialize([1e-4, 1e-5, 1e16, 1e17, 1.2345678901234568e16, -1e17,
+ PHP_FLOAT_MAX, -PHP_FLOAT_MAX, PHP_FLOAT_MIN, PHP_FLOAT_EPSILON,
+ 5e-324, 2.5e-323]);"#,
// A sparse int-keyed array (not a list).
r#"return serialize([3 => "c", 1 => "a"]);"#,
// Deep nesting built in a loop.