From 1011655d2ef76a0c0aa29dbbff091dab139198e3 Mon Sep 17 00:00:00 2001
From: Roland Reichwein <mail@reichwein.it>
Date: Sat, 24 Oct 2020 16:32:18 +0200
Subject: Add FlowGraph

---
 tests/test-asm.cpp | 132 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100644 tests/test-asm.cpp

(limited to 'tests/test-asm.cpp')

diff --git a/tests/test-asm.cpp b/tests/test-asm.cpp
new file mode 100644
index 0000000..2d3afa0
--- /dev/null
+++ b/tests/test-asm.cpp
@@ -0,0 +1,132 @@
+#include "asm/chunk.h"
+#include "asm/assembler.h"
+#include "asm/segment.h"
+#include "asm/intel64/all_ops.h"
+
+#include "minicc.h"
+
+#include <boost/algorithm/string.hpp>
+
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+
+#include <algorithm>
+#include <cctype>
+#include <deque>
+#include <map>
+#include <memory>
+#include <string>
+#include <system_error>
+#include <utility>
+#include <vector>
+
+using namespace std::string_literals;
+namespace fs = std::filesystem;
+
+class AsmTest: public ::testing::Test
+{
+protected:
+ AsmTest() {
+  //debug = true;
+ }
+ ~AsmTest() {
+ }
+ void SetUp(){
+ }
+ void TearDown(){
+ }
+};
+
+TEST_F(AsmTest, Intel64_add) {
+ Segment segment;
+ Asm::Args args{{Asm::Args::Register32("eax"), Asm::Args::Immediate32(1)}};
+ segment.push_back(makeOp("add", args));
+
+ ASSERT_EQ(segment.size(), 1);
+ ASSERT_EQ(segment.getCode(), std::vector<uint8_t>({0x05, 0x01, 0x00, 0x00, 0x00}));
+}
+
+TEST_F(AsmTest, Intel64_int_0) {
+ Segment segment;
+ Asm::Args args{{Asm::Args::Immediate8(0)}};
+ segment.push_back(makeOp("int", args));
+
+ ASSERT_EQ(segment.size(), 1);
+ ASSERT_EQ(segment.getCode(), std::vector<uint8_t>{0xCE});
+}
+
+TEST_F(AsmTest, Intel64_int_1) {
+ Segment segment;
+ Asm::Args args{{Asm::Args::Immediate8(1)}};
+ segment.push_back(makeOp("int", args));
+
+ ASSERT_EQ(segment.size(), 1);
+ ASSERT_EQ(segment.getCode(), std::vector<uint8_t>{0xF1});
+}
+
+TEST_F(AsmTest, Intel64_int_5) {
+ Segment segment;
+ Asm::Args args{{Asm::Args::Immediate8(5)}};
+ segment.push_back(makeOp("int", args));
+
+ ASSERT_EQ(segment.size(), 1);
+ ASSERT_EQ(segment.getCode(), std::vector<uint8_t>({0xCD, 0x05}));
+}
+
+TEST_F(AsmTest, Intel64_nop) {
+ Segment segment;
+ segment.push_back(makeOp("nop"));
+
+ ASSERT_EQ(segment.size(), 1);
+ ASSERT_EQ(segment.getCode(), std::vector<uint8_t>{0x90});
+}
+
+TEST_F(AsmTest, Intel64_ret) {
+ Segment segment;
+ segment.push_back(makeOp("ret"));
+
+ ASSERT_EQ(segment.size(), 1);
+ ASSERT_EQ(segment.getCode(), std::vector<uint8_t>{0xC3});
+}
+
+TEST_F(AsmTest, Intel64_multiple) {
+ Segment segment;
+
+ segment.push_back(makeOp("nop"));
+ Asm::Args args0{{Asm::Args::Immediate8(5)}};
+ segment.push_back(makeOp("int", args0));
+ segment.push_back(makeOp("ret"));
+ segment.push_back(makeLabel("data1"));
+ segment.push_back(makeOp("ret"));
+ Asm::Args args1{{Asm::Args::Label("data1")}};
+ segment.push_back(makeOp("jmp", args1));
+ segment.push_back(makeData({1, 2, 3}));
+
+ segment.insertAddresses();
+
+ ASSERT_EQ(segment.size(), 7);
+ ASSERT_EQ(segment.getCode(), std::vector<uint8_t>(
+  {
+   0x90, // nop
+   0xCD, 0x05, // int 5
+   0xC3, // ret
+   // data1:
+   0xC3, // ret
+   0xE9, 0xFF, 0xFF, 0xFF, 0xFF, // jmp data1
+   0x01, 0x02, 0x03 // data
+  }));
+ 
+ segment.optimize();
+ 
+ ASSERT_EQ(segment.size(), 7);
+ ASSERT_EQ(segment.getCode(), std::vector<uint8_t>(
+  {
+   0x90, // nop
+   0xCD, 0x05, // int 5
+   0xC3, // ret
+   // data1:
+   0xC3, // ret
+   0xEB, 0xFF, // jmp data1
+   0x01, 0x02, 0x03 // data
+  }));
+}
-- 
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