Handle negative exponent and rename value/pow10 to numerator/denominator

2 files changed, 15 insertions, 3 deletions

diff --git a/test/format-impl-test.cc b/test/format-impl-test.cc
index 5b7946e0..c3f81904 100644
--- a/test/format-impl-test.cc
+++ b/test/format-impl-test.cc
@@ -87,16 +87,19 @@ TEST(BigIntTest, ShiftLeft) {
 
 TEST(BigIntTest, Multiply) {
   bigint n(0x42);
+  EXPECT_THROW(n *= 0, assertion_failure);
   n *= 1;
   EXPECT_EQ("42", fmt::format("{}", n));
   n *= 2;
   EXPECT_EQ("84", fmt::format("{}", n));
   n *= 0x12345678;
   EXPECT_EQ("962fc95e0", fmt::format("{}", n));
-  auto max = max_value<uint32_t>();
-  bigint bigmax(max);
-  bigmax *= max;
+  bigint bigmax(max_value<uint32_t>());
+  bigmax *= max_value<uint32_t>();
   EXPECT_EQ("fffffffe00000001", fmt::format("{}", bigmax));
+  bigmax.assign(max_value<uint64_t>());
+  bigmax *= max_value<uint64_t>();
+  EXPECT_EQ("fffffffffffffffe0000000000000001", fmt::format("{}", bigmax));
 }
 
 TEST(BigIntTest, Accumulator) {
diff --git a/test/grisu-test.cc b/test/grisu-test.cc
index 79a13191..80121055 100644
--- a/test/grisu-test.cc
+++ b/test/grisu-test.cc
@@ -55,3 +55,12 @@ TEST(GrisuTest, Prettify) {
 }
 
 TEST(GrisuTest, ZeroPrecision) { EXPECT_EQ("1", fmt::format("{:.0}", 1.0)); }
+
+TEST(GrisuTest, Fallback) {
+  EXPECT_EQ("1e+23", fmt::format("{}", 1e23));
+  EXPECT_EQ("9e-265", fmt::format("{}", 9e-265));
+  EXPECT_EQ("5.423717798060526e+125",
+            fmt::format("{}", 5.423717798060526e+125));
+  EXPECT_EQ("1.372371880954233e-288",
+            fmt::format("{}", 1.372371880954233e-288));
+}