TermiNexus
ee6461be46
把 81 个 .vp 文件的中文 # 注释与三引号文档串改写为简洁英文，每个连续注释块 <=2 行；运行时中文字符串字面量（testcheck.begin/print 等用户可见消息）保持原样。骨架比对 HEAD 与工作区 112 文件漂移 0，全量 77/77 顺序回归通过。
67 lines
2.1 KiB
Plaintext
67 lines
2.1 KiB
Plaintext
import t, c
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import stdio
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import testcheck
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import atom
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# G6: verify the atom module's inline-asm atomic operations.
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# Compiled with TPC to validate atom behavior in this area.
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def test_atomic_test_and_set():
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testcheck.section("Test 1: __atomic_test_and_set")
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flag: uint8 = 0
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result: bool = atom.__atomic_test_and_set(&flag, atom.ATOMIC_ACQUIRE)
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# test_and_set returns the old value: flag=0 returns 0 and sets flag=1
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testcheck.check(result == bool(0), "first set returns old value 0", "expect 0")
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testcheck.check(flag == 1, "flag is 1 after set", "expect 1")
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# Second set returns 1 because the old value is now 1.
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result2: bool = atom.__atomic_test_and_set(&flag, atom.ATOMIC_ACQUIRE)
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testcheck.check(result2 == bool(1), "second set returns old value 1", "expect 1")
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def test_atomic_clear():
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testcheck.section("Test 2: __atomic_clear")
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flag: uint8 = 1
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atom.__atomic_clear(&flag, atom.ATOMIC_RELEASE)
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testcheck.check(flag == 0, "flag is 0 after clear", "expect 0")
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def test_atomic_thread_fence():
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testcheck.section("Test 3: __atomic_thread_fence")
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# Only checks that the call does not crash.
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atom.__atomic_thread_fence(atom.ATOMIC_SEQ_CST)
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testcheck.ok("mfence executed OK")
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def test_atomic_lock_free():
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testcheck.section("Test 4: __atomic_is_lock_free")
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flag: uint8 = 0
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result: bool = atom.__atomic_is_lock_free(1, &flag)
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testcheck.check(result == bool(1), "1-byte is lock free", "expect 1")
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def test_atomic_spinlock():
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testcheck.section("Test 5: spinlock pattern (test_and_set + clear)")
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lock: uint8 = 0
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# Acquire the lock
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while atom.__atomic_test_and_set(&lock, atom.ATOMIC_ACQUIRE) == bool(1):
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pass
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testcheck.check(lock == 1, "lock acquired", "expect lock=1")
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# Release the lock
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atom.__atomic_clear(&lock, atom.ATOMIC_RELEASE)
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testcheck.check(lock == 0, "lock released", "expect lock=0")
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def main() -> int:
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testcheck.begin("G6: atom module (inline asm atomic operations)")
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test_atomic_test_and_set()
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test_atomic_clear()
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test_atomic_thread_fence()
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test_atomic_lock_free()
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test_atomic_spinlock()
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return testcheck.end()
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