282 lines
8.5 KiB
Go
282 lines
8.5 KiB
Go
package wasm
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/tetratelabs/wazero/api"
|
|
"github.com/tetratelabs/wazero/internal/testing/hammer"
|
|
"github.com/tetratelabs/wazero/internal/testing/require"
|
|
)
|
|
|
|
func TestModule_BuildFunctionDefinitions(t *testing.T) {
|
|
imp := &Import{
|
|
Type: ExternTypeFunc,
|
|
DescFunc: 2, // Index of type.
|
|
}
|
|
|
|
nopCode := Code{Body: []byte{OpcodeEnd}}
|
|
fn := func(uint32) uint32 { return 1 }
|
|
tests := []struct {
|
|
name string
|
|
m *Module
|
|
expected []FunctionDefinition
|
|
expectedImports []api.FunctionDefinition
|
|
expectedExports map[string]api.FunctionDefinition
|
|
}{
|
|
{
|
|
name: "no exports",
|
|
m: &Module{},
|
|
expected: []FunctionDefinition{},
|
|
expectedExports: map[string]api.FunctionDefinition{},
|
|
},
|
|
{
|
|
name: "no functions",
|
|
expected: []FunctionDefinition{},
|
|
m: &Module{
|
|
ExportSection: []Export{{Type: ExternTypeGlobal, Index: 0}},
|
|
GlobalSection: []Global{{}},
|
|
},
|
|
expectedExports: map[string]api.FunctionDefinition{},
|
|
},
|
|
{
|
|
name: "only imported functions",
|
|
expected: []FunctionDefinition{
|
|
{name: "fn", Debugname: ".fn", importDesc: &Import{Module: "foo", Name: "bar", Type: ExternTypeFunc}, Functype: &FunctionType{}},
|
|
},
|
|
m: &Module{
|
|
ExportSection: []Export{{Type: ExternTypeGlobal, Index: 0}},
|
|
GlobalSection: []Global{{}},
|
|
TypeSection: []FunctionType{{}},
|
|
ImportFunctionCount: 1,
|
|
ImportSection: []Import{{Type: ExternTypeFunc, Name: "bar", Module: "foo"}},
|
|
NameSection: &NameSection{FunctionNames: NameMap{{Index: Index(0), Name: "fn"}}},
|
|
},
|
|
expectedImports: []api.FunctionDefinition{
|
|
&FunctionDefinition{
|
|
name: "fn", Debugname: ".fn", importDesc: &Import{Module: "foo", Name: "bar", Type: ExternTypeFunc},
|
|
Functype: &FunctionType{},
|
|
},
|
|
},
|
|
expectedExports: map[string]api.FunctionDefinition{},
|
|
},
|
|
{
|
|
name: "host func go",
|
|
m: &Module{
|
|
TypeSection: []FunctionType{i32_i32},
|
|
FunctionSection: []Index{0},
|
|
CodeSection: []Code{MustParseGoReflectFuncCode(fn)},
|
|
NameSection: &NameSection{
|
|
ModuleName: "m",
|
|
FunctionNames: NameMap{{Index: Index(0), Name: "fn"}},
|
|
LocalNames: IndirectNameMap{{Index: Index(0), NameMap: NameMap{{Index: Index(0), Name: "x"}}}},
|
|
ResultNames: IndirectNameMap{{Index: Index(0), NameMap: NameMap{{Index: Index(0), Name: "y"}}}},
|
|
},
|
|
},
|
|
expected: []FunctionDefinition{
|
|
{
|
|
index: 0,
|
|
name: "fn",
|
|
moduleName: "m",
|
|
Debugname: "m.fn",
|
|
goFunc: MustParseGoReflectFuncCode(fn).GoFunc,
|
|
Functype: &i32_i32,
|
|
paramNames: []string{"x"},
|
|
resultNames: []string{"y"},
|
|
},
|
|
},
|
|
expectedExports: map[string]api.FunctionDefinition{},
|
|
},
|
|
{
|
|
name: "without imports",
|
|
m: &Module{
|
|
ExportSection: []Export{
|
|
{Name: "function_index=0", Type: ExternTypeFunc, Index: 0},
|
|
{Name: "function_index=2", Type: ExternTypeFunc, Index: 2},
|
|
{Name: "", Type: ExternTypeGlobal, Index: 0},
|
|
{Name: "function_index=1", Type: ExternTypeFunc, Index: 1},
|
|
},
|
|
GlobalSection: []Global{{}},
|
|
FunctionSection: []Index{1, 2, 0},
|
|
CodeSection: []Code{
|
|
{Body: []byte{OpcodeEnd}},
|
|
{Body: []byte{OpcodeEnd}},
|
|
{Body: []byte{OpcodeEnd}},
|
|
},
|
|
TypeSection: []FunctionType{
|
|
v_v,
|
|
f64i32_v128i64,
|
|
f64f32_i64,
|
|
},
|
|
},
|
|
expected: []FunctionDefinition{
|
|
{
|
|
index: 0,
|
|
Debugname: ".$0",
|
|
exportNames: []string{"function_index=0"},
|
|
Functype: &f64i32_v128i64,
|
|
},
|
|
{
|
|
index: 1,
|
|
Debugname: ".$1",
|
|
exportNames: []string{"function_index=1"},
|
|
Functype: &f64f32_i64,
|
|
},
|
|
{
|
|
index: 2,
|
|
Debugname: ".$2",
|
|
exportNames: []string{"function_index=2"},
|
|
Functype: &v_v,
|
|
},
|
|
},
|
|
expectedExports: map[string]api.FunctionDefinition{
|
|
"function_index=0": &FunctionDefinition{
|
|
index: 0,
|
|
Debugname: ".$0",
|
|
exportNames: []string{"function_index=0"},
|
|
Functype: &f64i32_v128i64,
|
|
},
|
|
"function_index=1": &FunctionDefinition{
|
|
index: 1,
|
|
exportNames: []string{"function_index=1"},
|
|
Debugname: ".$1",
|
|
Functype: &f64f32_i64,
|
|
},
|
|
"function_index=2": &FunctionDefinition{
|
|
index: 2,
|
|
Debugname: ".$2",
|
|
exportNames: []string{"function_index=2"},
|
|
Functype: &v_v,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "with imports",
|
|
m: &Module{
|
|
ImportFunctionCount: 1,
|
|
ImportSection: []Import{*imp},
|
|
ExportSection: []Export{
|
|
{Name: "imported_function", Type: ExternTypeFunc, Index: 0},
|
|
{Name: "function_index=1", Type: ExternTypeFunc, Index: 1},
|
|
{Name: "function_index=2", Type: ExternTypeFunc, Index: 2},
|
|
},
|
|
FunctionSection: []Index{1, 0},
|
|
CodeSection: []Code{{Body: []byte{OpcodeEnd}}, {Body: []byte{OpcodeEnd}}},
|
|
TypeSection: []FunctionType{
|
|
v_v,
|
|
f64i32_v128i64,
|
|
f64f32_i64,
|
|
},
|
|
},
|
|
expected: []FunctionDefinition{
|
|
{
|
|
index: 0,
|
|
Debugname: ".$0",
|
|
importDesc: imp,
|
|
exportNames: []string{"imported_function"},
|
|
Functype: &f64f32_i64,
|
|
},
|
|
{
|
|
index: 1,
|
|
Debugname: ".$1",
|
|
exportNames: []string{"function_index=1"},
|
|
Functype: &f64i32_v128i64,
|
|
},
|
|
{
|
|
index: 2,
|
|
Debugname: ".$2",
|
|
exportNames: []string{"function_index=2"},
|
|
Functype: &v_v,
|
|
},
|
|
},
|
|
expectedImports: []api.FunctionDefinition{
|
|
&FunctionDefinition{
|
|
index: 0,
|
|
Debugname: ".$0",
|
|
importDesc: imp,
|
|
exportNames: []string{"imported_function"},
|
|
Functype: &f64f32_i64,
|
|
},
|
|
},
|
|
expectedExports: map[string]api.FunctionDefinition{
|
|
"imported_function": &FunctionDefinition{
|
|
index: 0,
|
|
Debugname: ".$0",
|
|
importDesc: imp,
|
|
exportNames: []string{"imported_function"},
|
|
Functype: &f64f32_i64,
|
|
},
|
|
"function_index=1": &FunctionDefinition{
|
|
index: 1,
|
|
Debugname: ".$1",
|
|
exportNames: []string{"function_index=1"},
|
|
Functype: &f64i32_v128i64,
|
|
},
|
|
"function_index=2": &FunctionDefinition{
|
|
index: 2,
|
|
Debugname: ".$2",
|
|
exportNames: []string{"function_index=2"},
|
|
Functype: &v_v,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "with names",
|
|
m: &Module{
|
|
ImportFunctionCount: 1,
|
|
TypeSection: []FunctionType{v_v},
|
|
ImportSection: []Import{{Module: "i", Name: "f", Type: ExternTypeFunc}},
|
|
NameSection: &NameSection{
|
|
ModuleName: "module",
|
|
FunctionNames: NameMap{
|
|
{Index: Index(2), Name: "two"},
|
|
{Index: Index(4), Name: "four"},
|
|
{Index: Index(5), Name: "five"},
|
|
},
|
|
},
|
|
FunctionSection: []Index{0, 0, 0, 0, 0},
|
|
CodeSection: []Code{nopCode, nopCode, nopCode, nopCode, nopCode},
|
|
},
|
|
expected: []FunctionDefinition{
|
|
{moduleName: "module", index: 0, Debugname: "module.$0", importDesc: &Import{Module: "i", Name: "f"}, Functype: &v_v},
|
|
{moduleName: "module", index: 1, Debugname: "module.$1", Functype: &v_v},
|
|
{moduleName: "module", index: 2, Debugname: "module.two", Functype: &v_v, name: "two"},
|
|
{moduleName: "module", index: 3, Debugname: "module.$3", Functype: &v_v},
|
|
{moduleName: "module", index: 4, Debugname: "module.four", Functype: &v_v, name: "four"},
|
|
{moduleName: "module", index: 5, Debugname: "module.five", Functype: &v_v, name: "five"},
|
|
},
|
|
expectedImports: []api.FunctionDefinition{
|
|
&FunctionDefinition{moduleName: "module", index: 0, Debugname: "module.$0", importDesc: &Import{Module: "i", Name: "f"}, Functype: &v_v},
|
|
},
|
|
expectedExports: map[string]api.FunctionDefinition{},
|
|
},
|
|
}
|
|
|
|
for _, tc := range tests {
|
|
tc := tc
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
tc.m.buildFunctionDefinitions()
|
|
require.Equal(t, tc.expected, tc.m.FunctionDefinitionSection)
|
|
require.Equal(t, tc.expectedImports, tc.m.ImportedFunctions())
|
|
require.Equal(t, tc.expectedExports, tc.m.ExportedFunctions())
|
|
})
|
|
}
|
|
|
|
// Execute the same tests with n=`concurrentCount` goroutines invoking `buildFunctionDefinitions()` at once.
|
|
const nGoroutines = 100
|
|
const nIterations = 10
|
|
for _, tc := range tests {
|
|
tc := tc
|
|
testName := tc.name + " (concurrent)"
|
|
t.Run(testName, func(t *testing.T) {
|
|
hammer.NewHammer(t, nGoroutines, nIterations).
|
|
Run(func(p, n int) {
|
|
tc.m.buildFunctionDefinitions()
|
|
}, nil)
|
|
|
|
require.Equal(t, tc.expected, tc.m.FunctionDefinitionSection)
|
|
require.Equal(t, tc.expectedImports, tc.m.ImportedFunctions())
|
|
require.Equal(t, tc.expectedExports, tc.m.ExportedFunctions())
|
|
})
|
|
}
|
|
}
|