56 lines
1.7 KiB
Go
56 lines
1.7 KiB
Go
package sysfs
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import (
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"os"
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"testing"
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"github.com/tetratelabs/wazero/experimental/sys"
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"github.com/tetratelabs/wazero/internal/testing/require"
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)
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// Test_toOsOpenFlag doesn't use subtests to reduce volume of verbose output,
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// and in recognition we have tens of thousands of tests, which can hit IDE
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// limits.
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func Test_toOsOpenFlag(t *testing.T) {
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tests := []struct {
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name string
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flag sys.Oflag
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expected int
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}{
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{name: "O_RDONLY", flag: sys.O_RDONLY, expected: os.O_RDONLY},
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{name: "O_RDWR", flag: sys.O_RDWR, expected: os.O_RDWR},
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{name: "O_WRONLY", flag: sys.O_WRONLY, expected: os.O_WRONLY},
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{name: "O_CREAT", flag: sys.O_CREAT, expected: os.O_RDONLY | os.O_CREATE},
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{name: "O_APPEND", flag: sys.O_APPEND, expected: os.O_RDONLY | os.O_APPEND},
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{
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name: "all portable",
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flag: sys.O_RDWR | sys.O_APPEND | sys.O_CREAT | sys.O_EXCL | sys.O_SYNC | sys.O_TRUNC,
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expected: os.O_RDWR | os.O_APPEND | os.O_CREATE | os.O_EXCL | os.O_SYNC | os.O_TRUNC,
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},
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{name: "undefined", flag: 1 << 15, expected: os.O_RDONLY},
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}
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for _, tc := range tests {
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require.Equal(t, tc.expected, toOsOpenFlag(tc.flag), tc.name)
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}
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// Tests any supported syscall flags
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for n, f := range map[string]sys.Oflag{
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"O_DIRECTORY": sys.O_DIRECTORY,
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"O_DSYNC": sys.O_DSYNC,
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"O_NOFOLLOW": sys.O_NOFOLLOW,
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"O_NONBLOCK": sys.O_NONBLOCK,
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"O_RSYNC": sys.O_RSYNC,
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} {
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if supportedSyscallOflag&f == 0 {
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continue
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}
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require.NotEqual(t, 0, toOsOpenFlag(f), n)
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}
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// Example of a flag that can be or'd into O_RDONLY even if not
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// currently supported in WASI or GOOS=js
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const O_NOATIME = sys.Oflag(0x40000)
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require.Zero(t, 0, toOsOpenFlag(O_NOATIME))
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}
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