From 62382e3650b7ca9fca8977c2ae38046533c0c52d Mon Sep 17 00:00:00 2001
From: Victor Zverovich <viz@meta.com>
Date: Sun, 18 Aug 2024 06:47:04 -0700
Subject: [PATCH] Test full exponent range

---
 test/format-test.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/test/format-test.cc b/test/format-test.cc
index e08f6a28..64570b78 100644
--- a/test/format-test.cc
+++ b/test/format-test.cc
@@ -930,6 +930,11 @@ TEST(format_test, runtime_width) {
   EXPECT_EQ(fmt::format("{:{}}", 42, short(4)), "  42");
 }
 
+TEST(format_test, exponent_range) {
+  for (int e = -1074; e <= 1023; ++e)
+    (void)fmt::format("{}", std::ldexp(1, e));
+}
+
 TEST(format_test, precision) {
   char format_str[buffer_size];
   safe_sprintf(format_str, "{0:.%u", UINT_MAX);