From 73df946d56c74384511a194dd01dbe099584fd1a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:14:23 +0200 Subject: Adding upstream version 1.16.10. Signed-off-by: Daniel Baumann --- test/bigmap.go | 139 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 139 insertions(+) create mode 100644 test/bigmap.go (limited to 'test/bigmap.go') diff --git a/test/bigmap.go b/test/bigmap.go new file mode 100644 index 0000000..c5e4f91 --- /dev/null +++ b/test/bigmap.go @@ -0,0 +1,139 @@ +// run + +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Internally a map holds elements in up to 255 bytes of key+value. +// When key or value or both are too large, it uses pointers to key+value +// instead. Test all the combinations. + +package main + +func seq(x, y int) [1000]byte { + var r [1000]byte + for i := 0; i < len(r); i++ { + r[i] = byte(x + i*y) + } + return r +} + +func cmp(x, y [1000]byte) { + for i := 0; i < len(x); i++ { + if x[i] != y[i] { + panic("BUG mismatch") + } + } +} + +func main() { + m := make(map[int][1000]byte) + m[1] = seq(11, 13) + m[2] = seq(2, 9) + m[3] = seq(3, 17) + + cmp(m[1], seq(11, 13)) + cmp(m[2], seq(2, 9)) + cmp(m[3], seq(3, 17)) + + + { + type T [1]byte + type V [1]byte + m := make(map[T]V) + m[T{}] = V{1} + m[T{1}] = V{2} + if x, y := m[T{}][0], m[T{1}][0]; x != 1 || y != 2 { + println(x, y) + panic("bad map") + } + } + { + type T [100]byte + type V [1]byte + m := make(map[T]V) + m[T{}] = V{1} + m[T{1}] = V{2} + if x, y := m[T{}][0], m[T{1}][0]; x != 1 || y != 2 { + println(x, y) + panic("bad map") + } + } + { + type T [1]byte + type V [100]byte + m := make(map[T]V) + m[T{}] = V{1} + m[T{1}] = V{2} + if x, y := m[T{}][0], m[T{1}][0]; x != 1 || y != 2 { + println(x, y) + panic("bad map") + } + } + { + type T [1000]byte + type V [1]byte + m := make(map[T]V) + m[T{}] = V{1} + m[T{1}] = V{2} + if x, y := m[T{}][0], m[T{1}][0]; x != 1 || y != 2 { + println(x, y) + panic("bad map") + } + } + { + type T [1]byte + type V [1000]byte + m := make(map[T]V) + m[T{}] = V{1} + m[T{1}] = V{2} + if x, y := m[T{}][0], m[T{1}][0]; x != 1 || y != 2 { + println(x, y) + panic("bad map") + } + } + { + type T [1000]byte + type V [1000]byte + m := make(map[T]V) + m[T{}] = V{1} + m[T{1}] = V{2} + if x, y := m[T{}][0], m[T{1}][0]; x != 1 || y != 2 { + println(x, y) + panic("bad map") + } + } + { + type T [200]byte + type V [1]byte + m := make(map[T]V) + m[T{}] = V{1} + m[T{1}] = V{2} + if x, y := m[T{}][0], m[T{1}][0]; x != 1 || y != 2 { + println(x, y) + panic("bad map") + } + } + { + type T [1]byte + type V [200]byte + m := make(map[T]V) + m[T{}] = V{1} + m[T{1}] = V{2} + if x, y := m[T{}][0], m[T{1}][0]; x != 1 || y != 2 { + println(x, y) + panic("bad map") + } + } + { + type T [200]byte + type V [200]byte + m := make(map[T]V) + m[T{}] = V{1} + m[T{1}] = V{2} + if x, y := m[T{}][0], m[T{1}][0]; x != 1 || y != 2 { + println(x, y) + panic("bad map") + } + } +} -- cgit v1.2.3