diff options
Diffstat (limited to 'std')
| -rw-r--r-- | std/fmt/index.zig | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/std/fmt/index.zig b/std/fmt/index.zig index 0fece54b4c..56b9a2e960 100644 --- a/std/fmt/index.zig +++ b/std/fmt/index.zig @@ -531,6 +531,38 @@ test "fmt.format" { const result = bufPrint(buf1[0..], "u3: {}\n", value); assert(mem.eql(u8, result, "u3: 5\n")); } + + // TODO get these tests passing in release modes + // https://github.com/zig-lang/zig/issues/564 + if (builtin.mode == builtin.Mode.Debug) { + { + var buf1: [32]u8 = undefined; + const value: f32 = 12.34; + const result = bufPrint(buf1[0..], "f32: {}\n", value); + assert(mem.eql(u8, result, "f32: 1.23400001e1\n")); + } + { + var buf1: [32]u8 = undefined; + const value: f64 = -12.34e10; + const result = bufPrint(buf1[0..], "f64: {}\n", value); + assert(mem.eql(u8, result, "f64: -1.234e11\n")); + } + { + var buf1: [32]u8 = undefined; + const result = bufPrint(buf1[0..], "f64: {}\n", math.nan_f64); + assert(mem.eql(u8, result, "f64: NaN\n")); + } + { + var buf1: [32]u8 = undefined; + const result = bufPrint(buf1[0..], "f64: {}\n", math.inf_f64); + assert(mem.eql(u8, result, "f64: Infinity\n")); + } + { + var buf1: [32]u8 = undefined; + const result = bufPrint(buf1[0..], "f64: {}\n", -math.inf_f64); + assert(mem.eql(u8, result, "f64: -Infinity\n")); + } + } } pub fn trim(buf: []const u8) -> []const u8 { |