wa-lang.org/wazero@v1.0.2/imports/wasi_snapshot_preview1/proc_test.go (about)

     1  package wasi_snapshot_preview1
     2  
     3  import (
     4  	"testing"
     5  
     6  	"wa-lang.org/wazero"
     7  	"wa-lang.org/wazero/internal/testing/require"
     8  	"wa-lang.org/wazero/sys"
     9  )
    10  
    11  func Test_procExit(t *testing.T) {
    12  	mod, r, log := requireProxyModule(t, wazero.NewModuleConfig())
    13  	defer r.Close(testCtx)
    14  
    15  	tests := []struct {
    16  		name        string
    17  		exitCode    uint32
    18  		expectedLog string
    19  	}{
    20  		{
    21  			name:     "success (exitcode 0)",
    22  			exitCode: 0,
    23  			expectedLog: `
    24  --> proxy.proc_exit(rval=0)
    25  	==> wasi_snapshot_preview1.proc_exit(rval=0)
    26  `,
    27  		},
    28  		{
    29  			name:     "arbitrary non-zero exitcode",
    30  			exitCode: 42,
    31  			expectedLog: `
    32  --> proxy.proc_exit(rval=42)
    33  	==> wasi_snapshot_preview1.proc_exit(rval=42)
    34  `,
    35  		},
    36  	}
    37  
    38  	for _, tt := range tests {
    39  		tc := tt
    40  
    41  		t.Run(tc.name, func(t *testing.T) {
    42  			defer log.Reset()
    43  
    44  			// Since procExit panics, any opcodes afterwards cannot be reached.
    45  			_, err := mod.ExportedFunction(functionProcExit).Call(testCtx, uint64(tc.exitCode))
    46  			require.Error(t, err)
    47  			sysErr, ok := err.(*sys.ExitError)
    48  			require.True(t, ok, err)
    49  			require.Equal(t, tc.exitCode, sysErr.ExitCode())
    50  			require.Equal(t, tc.expectedLog, "\n"+log.String())
    51  		})
    52  	}
    53  }
    54  
    55  // Test_procRaise only tests it is stubbed for GrainLang per #271
    56  func Test_procRaise(t *testing.T) {
    57  	log := requireErrnoNosys(t, functionProcRaise, 0)
    58  	require.Equal(t, `
    59  --> proxy.proc_raise(sig=0)
    60  	--> wasi_snapshot_preview1.proc_raise(sig=0)
    61  	<-- ENOSYS
    62  <-- (52)
    63  `, log)
    64  }