whatcanGOwrong

go/pkg/mod/github.com/cilium/ebpf@v0.11.0/asm/dsl_test.go

@@ -0,0 +1,46 @@
+package asm
+
+import (
+	"testing"
+)
+
+func TestDSL(t *testing.T) {
+	testcases := []struct {
+		name string
+		have Instruction
+		want Instruction
+	}{
+		{"Call", FnMapLookupElem.Call(), Instruction{OpCode: 0x85, Constant: 1}},
+		{"Exit", Return(), Instruction{OpCode: 0x95}},
+		{"LoadAbs", LoadAbs(2, Byte), Instruction{OpCode: 0x30, Constant: 2}},
+		{"Store", StoreMem(RFP, -4, R0, Word), Instruction{
+			OpCode: 0x63,
+			Dst:    RFP,
+			Src:    R0,
+			Offset: -4,
+		}},
+		{"Add.Imm", Add.Imm(R1, 22), Instruction{OpCode: 0x07, Dst: R1, Constant: 22}},
+		{"Add.Reg", Add.Reg(R1, R2), Instruction{OpCode: 0x0f, Dst: R1, Src: R2}},
+		{"Add.Imm32", Add.Imm32(R1, 22), Instruction{
+			OpCode: 0x04, Dst: R1, Constant: 22,
+		}},
+		{"JSGT.Imm", JSGT.Imm(R1, 4, "foo"), Instruction{
+			OpCode: 0x65, Dst: R1, Constant: 4, Offset: -1,
+		}.WithReference("foo")},
+		{"JSGT.Imm32", JSGT.Imm32(R1, -2, "foo"), Instruction{
+			OpCode: 0x66, Dst: R1, Constant: -2, Offset: -1,
+		}.WithReference("foo")},
+		{"JSLT.Reg", JSLT.Reg(R1, R2, "foo"), Instruction{
+			OpCode: 0xcd, Dst: R1, Src: R2, Offset: -1,
+		}.WithReference("foo")},
+		{"JSLT.Reg32", JSLT.Reg32(R1, R3, "foo"), Instruction{
+			OpCode: 0xce, Dst: R1, Src: R3, Offset: -1,
+		}.WithReference("foo")},
+	}
+
+	for _, tc := range testcases {
+		if !tc.have.equal(tc.want) {
+			t.Errorf("%s: have %v, want %v", tc.name, tc.have, tc.want)
+		}
+	}
+}